{"id":1044,"date":"2026-03-06T08:12:50","date_gmt":"2026-03-06T08:12:50","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=1044"},"modified":"2026-03-09T00:48:13","modified_gmt":"2026-03-09T00:48:13","slug":"molded-tang-tooling","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/molded-tang-tooling\/","title":{"rendered":"\u0110\u1ed9 ch\u00ednh x\u00e1c v\u01b0\u1ee3t xa khu\u00f4n ch\u1eef V: L\u00e0m ch\u1ee7 d\u1ee5ng c\u1ee5 khu\u00f4n g\u1edd \u0111\u1ec3 t\u1ea1o u\u1ed1n ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i"},"content":{"rendered":"

T\u00f4i \u0111\u00e3 t\u1eebng ch\u1ee9ng ki\u1ebfn m\u1ed9t th\u1ee3 v\u1eadn h\u00e0nh m\u00e1y ch\u1ea5n \u00e9p \u0111\u00e2m th\u00eam 0,040 inch n\u1eefa v\u00e0o khu\u00f4n, tin r\u1eb1ng g\u00f3c u\u1ed1n cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u1ea1t \u0111\u00fang 60\u00b0. Thay v\u00e0o \u0111\u00f3, n\u00f3 m\u1edf ra \u0111\u1ebfn 62\u00b0.<\/p>\n\n\n\n

Anh ta nh\u00ecn ch\u1eb1m ch\u1eb1m v\u00e0o m\u00e0n h\u00ecnh nh\u01b0 th\u1ec3 n\u00f3 \u0111ang l\u1eeba anh. Nh\u01b0ng kh\u00f4ng ph\u1ea3i. Ch\u00ednh tr\u1ef1c gi\u00e1c c\u1ee7a anh \u0111\u00e3 sai.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 c\u00e1i b\u1eaby c\u1ee7a u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed \u2014 tin r\u1eb1ng \u0111\u1ed9 s\u00e2u b\u1eb1ng g\u00f3c, v\u00e0 g\u00f3c n\u1eb1m trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. L\u00fd logic \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n cho \u0111\u1ebfn khi h\u00ecnh h\u1ecdc kh\u00f4ng c\u00f2n mi\u1ec5n ph\u00ed n\u1eefa.<\/p>\n\n\n\n

T\u1ea1i sao logic khu\u00f4n V c\u1ee7a b\u1ea1n th\u1ea5t b\u1ea1i v\u1edbi h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p: C\u00e1i b\u1eaby c\u1ee7a u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed<\/h2>\n\n\n\n

Trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed ti\u00eau chu\u1ea9n v\u1edbi khu\u00f4n V, t\u1ea5m kim lo\u1ea1i ch\u1ec9 ti\u1ebfp x\u00fac t\u1ea1i ba \u0111i\u1ec3m: \u0111\u1ea7u ch\u00e0y v\u00e0 hai vai khu\u00f4n. M\u1ecdi ph\u1ea7n kh\u00e1c \u0111\u1ec1u l\u00e0 kh\u00f4ng kh\u00ed. S\u1ef1 t\u1ef1 do \u0111\u00f3 cho ph\u00e9p b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u00b11\u00b0 ch\u1ec9 b\u1eb1ng c\u00e1ch t\u0103ng \u0111\u1ed9 s\u00e2u v\u00e0i ph\u1ea7n ngh\u00ecn inch. V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 tr\u01b0\u1ee3t, gi\u00e3n ra v\u00e0 ph\u00e2n b\u1ed1 l\u1ea1i \u1ee9ng su\u1ea5t khi b\u1ea1n \u0111i\u1ec1u khi\u1ec3n n\u00f3.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y h\u00ecnh dung m\u1ed9t d\u1ea1ng ph\u1ee9c t\u1ea1p \u2014 m\u1ed9t chi ti\u1ebft c\u00f3 g\u1edd t\u1ea1o h\u00ecnh v\u1edbi th\u00e0nh b\u00ean, \u0111\u1ed9 l\u1ec7ch, b\u00e1n k\u00ednh trong ch\u1eb7t. T\u1ea5m kim lo\u1ea1i kh\u00f4ng c\u00f2n \u201ctreo trong kh\u00f4ng gian\u201d n\u1eefa. N\u00f3 ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t s\u1edbm h\u01a1n v\u00e0 th\u01b0\u1eddng xuy\u00ean h\u01a1n. D\u00f2ng ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u kh\u00f4ng c\u00f2n t\u1ef1 do; n\u00f3 b\u1ecb d\u1eabn h\u01b0\u1edbng, \u0111\u00f4i khi b\u1ecb kh\u00f3a l\u1ea1i.<\/p>\n\n\n\n

Ki\u1ec3m tra th\u1ef1c t\u1ebf: khi d\u00f2ng ch\u1ea3y b\u1ecb h\u1ea1n ch\u1ebf, \u0111\u1ed9 xuy\u00ean kh\u00f4ng c\u00f2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi g\u00f3c n\u1eefa. T\u00f4i \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u n\u00e0y khi\u1ebfn h\u1ecfng c\u1ea3 m\u1ed9t l\u00f4 s\u1ea3n xu\u1ea5t $50k.<\/p>\n\n\n\n

N\u1ebfu m\u00f4 h\u00ecnh t\u01b0 duy c\u1ee7a b\u1ea1n v\u1eabn l\u00e0 \u201cth\u00eam \u0111\u1ed9 s\u00e2u, g\u00f3c kh\u00e9p l\u1ea1i,\u201d th\u00ec b\u1ea1n \u0111ang ch\u1ed1ng l\u1ea1i kim lo\u1ea1i thay v\u00ec hi\u1ec3u nh\u1eefng g\u00ec th\u1ef1c s\u1ef1 \u0111ang di\u1ec5n ra.<\/p>\n\n\n\n

V\u1eady th\u1ef1c s\u1ef1 m\u1ea5t bao nhi\u00eau chi ph\u00ed \u0111\u1ec3 \u00e9p m\u1ed9t ch\u00e0y ti\u00eau chu\u1ea9n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u00e0y t\u00f9y ch\u1ec9nh?<\/p>\n\n\n\n

Chi ph\u00ed \u1ea9n khi \u00e9p c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a c\u00f4ng c\u1ee5 t\u00f9y ch\u1ec9nh<\/h3>\n\n\n\n
\"Chi<\/figure>\n\n\n\n

Gi\u1ea3 s\u1eed b\u1ea1n \u0111ang c\u1ed1 t\u1ea1o m\u1ed9t d\u1ea1ng ph\u1ee9c t\u1ea1p v\u1edbi g\u00f3c 60\u00b0 trong khu\u00f4n V c\u00f3 b\u00e1n k\u00ednh ch\u00e0y l\u1edbn. B\u1ea1n \u00e9p s\u00e2u h\u01a1n, k\u1ef3 v\u1ecdng g\u00f3c s\u1ebd ch\u1eb7t h\u01a1n. Nh\u01b0ng c\u00e1c nghi\u00ean c\u1ee9u ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n \u0111\u00e3 ch\u1ec9 ra \u0111i\u1ec1u \u0111\u00e1ng s\u1ee3: khi b\u00e1n k\u00ednh ch\u00e0y t\u0103ng l\u00ean, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh m\u1eabu \u1ee9ng su\u1ea5t d\u1ea1ng ch\u1eef S theo chi\u1ec1u d\u00e0y. \u0110i\u1ec3m ti\u1ebfp x\u00fac thay \u0111\u1ed5i. C\u00e1c khe h\u1edf nh\u1ecf xu\u1ea5t hi\u1ec7n g\u1ea7n hai vai khu\u00f4n.<\/p>\n\n\n\n

B\u1ea1n ngh\u0129 m\u00ecnh \u0111ang l\u00e0m g\u00f3c kh\u00e9p l\u1ea1i. Nh\u01b0ng b\u00ean trong, \u1ee9ng su\u1ea5t l\u1ea1i \u0111\u1ea3o chi\u1ec1u.<\/p>\n\n\n\n

Chi ti\u1ebft \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i m\u1ed9t c\u00e1ch kh\u00f3 \u0111o\u00e1n v\u00ec tr\u1ee5c trung h\u00f2a \u2014 l\u1edbp t\u01b0\u1edfng t\u01b0\u1ee3ng kh\u00f4ng gi\u00e3n c\u0169ng kh\u00f4ng n\u00e9n \u2014 \u0111\u00e3 d\u1ecbch chuy\u1ec3n. Gi\u1ea3 \u0111\u1ecbnh v\u1ec1 h\u1ec7 s\u1ed1 K c\u1ee7a b\u1ea1n, v\u1ed1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed t\u1ef1 do, gi\u1edd \u0111\u00e3 sai. Kh\u00f4ng ph\u1ea3i sai ch\u00fat \u00edt, m\u00e0 sai \u0111\u1ee7 \u0111\u1ec3 l\u1ec7ch dung sai m\u1ed7i l\u1ea7n.<\/p>\n\n\n\n

V\u00ec v\u1eady b\u1ea1n b\u00f9 l\u1ea1i b\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. R\u1ed3i l\u1ea1i b\u00f9 th\u00eam l\u1ea7n n\u1eefa. B\u1ea1n \u0111ang ch\u1ea1y v\u00f2ng quanh m\u00e0 kh\u00f4ng ti\u1ebfn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

T\u1ea5t c\u1ea3 ch\u1ec9 v\u00ec b\u1ea1n mu\u1ed1n m\u1ed9t c\u00f4ng c\u1ee5 ph\u1ed5 th\u00f4ng ki\u1ec3m so\u00e1t h\u00ecnh h\u1ecdc m\u00e0 n\u00f3 ch\u01b0a bao gi\u1edd \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u00e0m.<\/p>\n\n\n\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi h\u00ecnh d\u1ea1ng ph\u1ea3n kh\u00e1ng m\u1ea1nh h\u01a1n?<\/p>\n\n\n\n

Khi h\u00ecnh h\u1ecdc ph\u1ea3n kh\u00e1ng: gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a d\u1ee5ng c\u1ee5 ph\u1ed5 th\u00f4ng<\/h3>\n\n\n\n
\"Khi<\/figure>\n\n\n\n

U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed h\u1ee9a h\u1eb9n s\u1ef1 linh ho\u1ea1t. M\u1ed9t khu\u00f4n V c\u00f3 th\u1ec3 \u0111\u1ea1t nhi\u1ec1u g\u00f3c kh\u00e1c nhau b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u. \u0110\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec3n h\u00ecnh? Kho\u1ea3ng \u00b11\u00b0 n\u1ebfu b\u1ea1n hi\u1ec3u r\u00f5 v\u1eadt li\u1ec7u. \u0110i\u1ec1u \u0111\u00f3 \u1ed5n v\u1edbi c\u00e1c chi ti\u1ebft gi\u00e1 \u0111\u1ee1.<\/p>\n\n\n\n

Nh\u01b0ng khi th\u00e0nh b\u00ean tr\u1edf n\u00ean cao ho\u1eb7c d\u1ea1ng h\u1ed9p kh\u00e9p k\u00edn, t\u1ea5m kim lo\u1ea1i c\u1ea7n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. Khu\u00f4n U ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y \u2014 ch\u00fang \u1ed5n \u0111\u1ecbnh c\u00e1c k\u00eanh b\u1eb1ng c\u00e1ch \u0111\u1ee1 ph\u1ea7n ch\u00e2n, gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng o\u1eb1n. Nhi\u1ec1u \u0111i\u1ec3m ti\u1ebfp x\u00fac h\u01a1n. Nhi\u1ec1u ki\u1ec3m so\u00e1t h\u01a1n.<\/p>\n\n\n\n

D\u1ee5ng c\u1ee5 t\u1ea1o g\u1edd \u0111\u00fac ti\u1ebfn xa h\u01a1n n\u1eefa. N\u00f3 kh\u00f4ng ch\u1ec9 n\u00e2ng \u0111\u1ee1 v\u1eadt li\u1ec7u; n\u00f3 c\u00f2n x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng \u0111i c\u1ee7a v\u1eadt li\u1ec7u. H\u00ecnh d\u1ea1ng khoang khu\u00f4n quy\u1ebft \u0111\u1ecbnh b\u00e1n k\u00ednh, g\u00f3c th\u00e0nh, th\u1eadm ch\u00ed c\u1ea3 n\u01a1i t\u1eadp trung bi\u1ebfn d\u1ea1ng. S\u1ef1 t\u1ef1 do bi\u1ebfn m\u1ea5t.<\/p>\n\n\n\n

V\u00e0 c\u00f9ng v\u1edbi n\u00f3, nh\u1eefng ph\u00e9p to\u00e1n \u0111\u00e0n h\u1ed3i c\u0169 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i ph\u1ea7n l\u1edbn ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp. Trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh g\u1edd khu\u00f4n, n\u00f3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi s\u1ef1 r\u00e0ng bu\u1ed9c v\u00e0 ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t. H\u00ecnh d\u1ea1ng c\u1ee7a d\u1ee5ng c\u1ee5 t\u00e1i ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1m t\u1edbi \u0111\u00e1y.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tinh ch\u1ec9nh trong b\u1ea3ng t\u00ednh c\u1ee7a b\u1ea1n. \u0110\u00f3 l\u00e0 m\u1ed9t cu\u1ed9c x\u00e2y d\u1ef1ng l\u1ea1i.<\/p>\n\n\n\n

N\u1ebfu s\u1ef1 r\u00e0ng bu\u1ed9c \u0111ang th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c, \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi b\u1ea1n ch\u1ec9 \u0111\u01a1n gi\u1ea3n t\u0103ng th\u00eam l\u1ef1c \u00e9p?<\/p>\n\n\n\n

T\u1ea1i sao \u201c\u0111\u00e1nh m\u1ea1nh h\u01a1n\u201d s\u1ebd kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u1ec7ch g\u00f3c trong c\u00e1c bi\u00ean d\u1ea1ng ph\u1ee9c t\u1ea1p<\/h3>\n\n\n\n
\"V\u00ec<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean ki\u1ec3m tra l\u1ea1i b\u1ea3ng tra l\u1ef1c \u00e9p, r\u1ed3i t\u0103ng th\u00eam 10 ph\u1ea7n tr\u0103m \u201ccho ch\u1eafc \u0103n\u201d. L\u00fd lu\u1eadn r\u1ea5t \u0111\u01a1n gi\u1ea3n: l\u1ef1c l\u1edbn h\u01a1n, \u0111\u00e0n h\u1ed3i \u00edt h\u01a1n.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 t\u00e1c d\u1ee5ng trong qu\u00e1 tr\u00ecnh d\u1eadp \u00e9p \u2013 n\u01a1i b\u1ea1n c\u1ed1 \u00fd l\u00e0m ch\u1ea3y to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n v\u00e0 c\u1ed1 \u0111\u1ecbnh g\u00f3c. Nh\u01b0ng d\u1eadp \u00e9p l\u1ea1i l\u00e0m m\u00f2n d\u1ee5ng c\u1ee5 v\u00e0 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt li\u1ec7u d\u00e0y h\u01a1n. \u0110\u00f3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p d\u00f9ng s\u1ee9c m\u1ea1nh c\u1ef1c \u0111oan.<\/p>\n\n\n\n

Trong c\u00e1c d\u1ea1ng g\u1edd khu\u00f4n ph\u1ee9c t\u1ea1p, l\u1ef1c \u00e9p d\u01b0 th\u01b0\u1eddng l\u00e0m t\u0103ng ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t s\u1edbm h\u01a1n, kh\u00f3a v\u1eadt li\u1ec7u l\u1ea1i tr\u01b0\u1edbc khi n\u00f3 ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh ch\u1ea3y. B\u1ea1n \u0111\u00f3ng b\u0103ng \u1ee9ng su\u1ea5t thay v\u00ec gi\u1ea3i ph\u00f3ng n\u00f3. G\u00f3c l\u1ec7ch c\u00f2n nhi\u1ec1u h\u01a1n, ch\u1ee9 kh\u00f4ng \u00edt \u0111i.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 ph\u1ea7n m\u00e0 ch\u1eb3ng ai mu\u1ed1n nghe.<\/p>\n\n\n\n

V\u00ec \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c kh\u00f4ng c\u00f2n n\u1eb1m \u1edf vi\u1ec7c b\u1ea1n \u00e9p m\u1ea1nh bao nhi\u00eau hay \u0111i s\u00e2u \u0111\u1ebfn m\u1ee9c n\u00e0o. N\u00f3 n\u1eb1m \u1edf h\u00ecnh d\u1ea1ng c\u1ee7a th\u00e9p \u0111ang th\u1ef1c hi\u1ec7n vi\u1ec7c \u00e9p.<\/p>\n\n\n\n

V\u00e0 n\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m so\u00e1t h\u00ecnh h\u1ecdc, th\u00ec nh\u1eefng kinh nghi\u1ec7m u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed c\u0169 c\u1ee7a b\u1ea1n \u2014 b\u1ea3ng K-factor, ch\u1ec9nh \u0111\u1ed9 s\u00e2u, ph\u1ecfng \u0111o\u00e1n \u0111\u00e0n h\u1ed3i \u2014 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ed7i th\u1eddi.<\/p>\n\n\n\n

Ch\u00fang \u0111\u00e3 tr\u1edf n\u00ean v\u00f4 ngh\u0129a.<\/p>\n\n\n\n

V\u00ec v\u1eady, s\u1ef1 thay \u0111\u1ed5i th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

M\u00e0 l\u00e0 ch\u1ea5p nh\u1eadn r\u1eb1ng trong t\u1ea1o h\u00ecnh g\u1edd khu\u00f4n, d\u1ee5ng c\u1ee5 ch\u00ednh l\u00e0 ph\u00e9p to\u00e1n.<\/p>\n\n\n\n

V\u1eadt l\u00fd c\u1ee7a t\u1ea1o h\u00ecnh c\u00f3 r\u00e0ng bu\u1ed9c: C\u00e1ch m\u00e0 g\u1edd khu\u00f4n quy\u1ebft \u0111\u1ecbnh d\u00f2ng ch\u1ea3y v\u1eadt li\u1ec7u<\/h2>\n\n\n\n

H\u00e3y h\u00ecnh dung m\u1ed9t d\u1ee5ng c\u1ee5 g\u1edd khu\u00f4n v\u1edbi ch\u00e0y \u0111\u01b0\u1ee3c bao quanh b\u1edfi t\u1ea5m \u00e9p, th\u00e0nh khoang \u00f4m s\u00e1t hai b\u00ean bi\u00ean d\u1ea1ng, v\u00e0 c\u00f3 m\u1ed9t \u0111i\u1ec3m d\u1eebng t\u00edch h\u1ee3p m\u00e0 chi ti\u1ebft th\u1ef1c t\u1ebf va v\u00e0o t\u1ea1i \u0111\u00e1y. B\u1ea1n v\u1eadn h\u00e0nh \u0111\u1ea7u m\u00e1y \u00e9p, v\u00e0 tr\u01b0\u1edbc khi \u0111i \u0111\u01b0\u1ee3c n\u1eeda h\u00e0nh tr\u00ecnh, t\u1ea5m kim lo\u1ea1i \u0111\u00e3 ch\u1ea1m v\u00e0o th\u00e9p \u1edf ba, b\u1ed1n, n\u0103m b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y t\u1ef1 h\u1ecfi: n\u1ebfu d\u1ee5ng c\u1ee5 ki\u1ec3m so\u00e1t t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac \u0111\u00f3, ch\u00ednh x\u00e1c th\u00ec kim lo\u1ea1i s\u1ebd \u201cquy\u1ebft \u0111\u1ecbnh\u201d g\u00f3c cu\u1ed1i c\u00f9ng c\u1ee7a n\u00f3 \u1edf \u0111\u00e2u?<\/p>\n\n\n\n

Trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, b\u1ea1n \u0111i\u1ec1u khi\u1ec3n m\u1ed9t chi\u1ebfc r\u01a1-mo\u00f3c l\u1ecfng l\u1ebbo. Trong t\u1ea1o h\u00ecnh g\u1edd khu\u00f4n, b\u1ea1n c\u1ed1 \u0111\u1ecbnh t\u1ea3i trong m\u1ed9t gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c. S\u1ef1 t\u1ef1 do bi\u1ebfn m\u1ea5t. V\u00e0 khi s\u1ef1 t\u1ef1 do bi\u1ebfn m\u1ea5t, \u00fd ni\u1ec7m c\u0169 r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n m\u1edbi l\u00e0 ng\u01b0\u1eddi ra l\u1ec7nh c\u0169ng bi\u1ebfn m\u1ea5t. Khi h\u00ecnh h\u1ecdc ph\u1ea3n l\u1ef1c m\u1ea1nh h\u01a1n, \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ea7n m\u1ec1m \u2014 m\u00e0 l\u00e0 v\u1ea5n \u0111\u1ec1 c\u01a1 h\u1ecdc ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed so v\u1edbi t\u1ea1o h\u00ecnh c\u00f3 r\u00e0ng bu\u1ed9c: n\u01a1i v\u1eadt li\u1ec7u th\u1ef1c s\u1ef1 di chuy\u1ec3n<\/h3>\n\n\n\n

Thi\u1ebft l\u1eadp m\u1ed9t u\u1ed1n g\u00f3c 90\u00b0 \u0111\u01a1n gi\u1ea3n tr\u00ean th\u00e9p m\u1ec1m d\u00e0y 0,125 inch. Ti\u1ebfp x\u00fac t\u1ea1i ba \u0111i\u1ec3m. T\u1ea5m kim lo\u1ea1i ch\u1ea1m \u0111\u1ea7u ch\u00e0y v\u00e0 hai vai khu\u00f4n. M\u1ecdi th\u1ee9 kh\u00e1c l\u00e0 kh\u00f4ng gian m\u1edf. Khi b\u1ea1n \u00e9p s\u00e2u h\u01a1n, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 h\u00fat v\u00e0o t\u1eeb c\u00e1c c\u1ea1nh. Tr\u1ee5c trung h\u00f2a \u2014 l\u1edbp kh\u00f4ng b\u1ecb gi\u00e3n ho\u1eb7c n\u00e9n \u2014 tr\u00f4i theo n\u01a1i m\u00e0 c\u00e2n b\u1eb1ng \u1ee9ng su\u1ea5t \u0111\u1eb7t n\u00f3. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ch\u1ec9 v\u00e0i ph\u1ea7n ngh\u00ecn \u0111\u1ed9 s\u00e2u c\u0169ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u1ed9t \u0111\u1ed9 g\u00f3c. Kim lo\u1ea1i \u0111\u01b0\u1ee3c t\u1ef1 do t\u00e1i ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t.<\/p>\n\n\n\n

B\u00e2y gi\u1edd bao c\u00f9ng ph\u00f4i \u0111\u00f3 b\u00ean trong m\u1ed9t khoang ti\u1ebfp nh\u1eadn c\u00f3 g\u1edd \u0111\u00fac s\u1eb5n. Th\u00eam c\u00e1c v\u00e1ch b\u00ean ti\u1ebfp x\u00fac s\u1edbm. Th\u00eam t\u1ea5m t\u00e1ch (stripper plate) k\u00e9o r\u00ea tr\u00ean b\u1ec1 m\u1eb7t khi ch\u00e0y \u0111i xu\u1ed1ng. Nghi\u00ean c\u1ee9u v\u1ec1 u\u1ed1n b\u1ecb h\u1ea1n ch\u1ebf v\u1edbi t\u1ea5m t\u00e1ch ch\u1ec9 ra m\u1ed9t \u0111i\u1ec1u quan tr\u1ecdng: ma s\u00e1t gi\u1eefa t\u1ea5m t\u00e1ch v\u00e0 t\u1ea5m kim lo\u1ea1i sinh ra l\u1ef1c k\u00e9o d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a v\u00f9ng u\u1ed1n. Thay v\u00ec ch\u1ec9 c\u00f3 ph\u1ea7n s\u1ee3i b\u00ean trong b\u1ecb n\u00e9n v\u00e0 ph\u1ea7n s\u1ee3i b\u00ean ngo\u00e0i b\u1ecb k\u00e9o gi\u00e3n, to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n \u0111ang \u0111\u01b0\u1ee3c k\u00e9o gi\u00e3n t\u00edch c\u1ef1c khi b\u1ecb \u00e9p l\u00ean ch\u00e0y.<\/p>\n\n\n\n

\u1ee8ng su\u1ea5t k\u00e9o \u0111\u00f3 ch\u1ed1ng l\u1ea1i s\u1ef1 d\u1ecbch chuy\u1ec3n v\u1eadt li\u1ec7u v\u00e0o trong. T\u1ea5m kim lo\u1ea1i kh\u00f4ng th\u1ec3 ch\u1ec9 tr\u01b0\u1ee3t t\u1eeb ph\u1ea7n ch\u00e2n \u0111\u1ec3 c\u1ea5p v\u1eadt li\u1ec7u cho b\u00e1n k\u00ednh u\u1ed1n. N\u00f3 ph\u1ea3i gi\u00e3n d\u00e0i c\u1ee5c b\u1ed9.<\/p>\n\n\n\n

Ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf: khi s\u1ef1 h\u00fat v\u1eadt li\u1ec7u b\u1ecb h\u1ea1n ch\u1ebf, \u0111\u1ed9 s\u00e2u xuy\u00ean kh\u00f4ng c\u00f2n t\u01b0\u01a1ng \u1ee9ng r\u00f5 r\u00e0ng v\u1edbi g\u00f3c u\u1ed1n. T\u00f4i \u0111\u00e3 th\u1ea5y t\u00ecnh hu\u1ed1ng n\u00e0y l\u00e0m h\u1ecfng c\u1ea3 m\u1ed9t l\u00f4 s\u1ea3n xu\u1ea5t $50k.<\/p>\n\n\n\n

Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y (air bending), \u0111\u1ed9 h\u1ed3i l\u00f2 xo ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh b\u00ean trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean. Trong t\u1ea1o h\u00ecnh b\u1ecb h\u1ea1n ch\u1ebf, tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t \u0111\u01b0\u1ee3c thay \u0111\u1ed5i b\u1edfi ma s\u00e1t v\u00e0 s\u1ef1 ti\u1ebfp x\u00fac nhi\u1ec1u b\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi ch\u1ea1m \u0111\u00e1y khu\u00f4n. Tr\u1ee5c trung h\u00f2a kh\u00f4ng ch\u1ec9 \u201cd\u1ecbch chuy\u1ec3n\u201d \u2014 n\u00f3 b\u1ecb c\u1ed1 \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc v\u00e0 \u1ee9ng su\u1ea5t k\u00e9o. N\u1ebfu kim lo\u1ea1i b\u1ecb k\u00e9o gi\u00e3n qua m\u1ed9t khoang c\u1ed1 \u0111\u1ecbnh trong khi b\u1ecb ng\u0103n c\u1ea3n vi\u1ec7c n\u1ea1p v\u1eadt li\u1ec7u, th\u00ec th\u1ef1c s\u1ef1 ai \u0111ang ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng?<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft th\u00fac<\/th>N\u1ed9i dung<\/th><\/tr><\/thead>
Ch\u1ee7 \u0111\u1ec1<\/td>U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed so v\u1edbi t\u1ea1o h\u00ecnh c\u00f3 r\u00e0ng bu\u1ed9c: n\u01a1i v\u1eadt li\u1ec7u th\u1ef1c s\u1ef1 di chuy\u1ec3n<\/strong><\/td><\/tr>
Thi\u1ebft l\u1eadp u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y (Air Bending Setup)<\/td>Thi\u1ebft l\u1eadp m\u1ed9t ph\u00e9p u\u1ed1n g\u00f3c 90\u00b0 \u0111\u01a1n gi\u1ea3n tr\u00ean th\u00e9p m\u1ec1m d\u00e0y 0,125 in. v\u1edbi ti\u1ebfp x\u00fac ba \u0111i\u1ec3m. T\u1ea5m kim lo\u1ea1i ch\u1ea1m \u0111\u1ea7u ch\u00e0y v\u00e0 hai vai khu\u00f4n; ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 kho\u1ea3ng tr\u1ed1ng. Khi \u0111\u1ed9 xuy\u00ean t\u0103ng l\u00ean, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00fat v\u00e0o t\u1eeb c\u00e1c ph\u1ea7n ch\u00e2n. Tr\u1ee5c trung h\u00f2a \u2014 l\u1edbp kh\u00f4ng b\u1ecb k\u00e9o gi\u00e3n hay n\u00e9n \u2014 d\u1ecbch chuy\u1ec3n theo c\u00e2n b\u1eb1ng \u1ee9ng su\u1ea5t. Ch\u1ec9 v\u00e0i ph\u1ea7n ngh\u00ecn inch \u0111\u1ed9 s\u00e2u c\u00f3 th\u1ec3 thay \u0111\u1ed5i g\u00f3c m\u1ed9t \u0111\u1ed9 v\u00ec kim lo\u1ea1i t\u1ef1 do ph\u00e2n b\u1ed1 l\u1ea1i bi\u1ebfn d\u1ea1ng.<\/td><\/tr>
Thi\u1ebft l\u1eadp t\u1ea1o h\u00ecnh b\u1ecb h\u1ea1n ch\u1ebf (Constrained Forming Setup)<\/td>Bao c\u00f9ng ph\u00f4i \u0111\u00f3 b\u00ean trong m\u1ed9t khoang ti\u1ebfp nh\u1eadn c\u00f3 g\u1edd \u0111\u00fac s\u1eb5n. Th\u00eam c\u00e1c v\u00e1ch b\u00ean ti\u1ebfp x\u00fac s\u1edbm v\u00e0 m\u1ed9t t\u1ea5m t\u00e1ch k\u00e9o r\u00ea tr\u00ean b\u1ec1 m\u1eb7t khi ch\u00e0y \u0111i xu\u1ed1ng. Nghi\u00ean c\u1ee9u cho th\u1ea5y ma s\u00e1t gi\u1eefa t\u1ea5m t\u00e1ch v\u00e0 t\u1ea5m kim lo\u1ea1i sinh ra l\u1ef1c k\u00e9o d\u1ecdc theo chi\u1ec1u d\u00e0i v\u00f9ng u\u1ed1n. Thay v\u00ec ch\u1ec9 c\u00f3 n\u00e9n \u1edf trong v\u00e0 k\u00e9o \u1edf ngo\u00e0i, to\u00e0n b\u1ed9 v\u00f9ng u\u1ed1n \u0111ang \u0111\u01b0\u1ee3c k\u00e9o gi\u00e3n t\u00edch c\u1ef1c khi b\u1ecb \u00e9p qua ch\u00e0y.<\/td><\/tr>
S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u00e0nh vi v\u1eadt li\u1ec7u (Material Behavior Difference)<\/td>\u1ee8ng su\u1ea5t k\u00e9o sinh ra ch\u1ed1ng l\u1ea1i vi\u1ec7c h\u00fat v\u1eadt li\u1ec7u v\u00e0o. T\u1ea5m kim lo\u1ea1i kh\u00f4ng th\u1ec3 tr\u01b0\u1ee3t t\u1eeb ph\u1ea7n ch\u00e2n \u0111\u1ec3 c\u1ea5p v\u1eadt li\u1ec7u cho b\u00e1n k\u00ednh m\u00e0 ph\u1ea3i gi\u00e3n d\u00e0i c\u1ee5c b\u1ed9.<\/td><\/tr>
Ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf (Reality Check)<\/td>Khi vi\u1ec7c h\u00fat v\u1eadt li\u1ec7u b\u1ecb h\u1ea1n ch\u1ebf, \u0111\u1ed9 s\u00e2u xuy\u00ean kh\u00f4ng c\u00f2n t\u01b0\u01a1ng \u1ee9ng r\u00f5 r\u00e0ng v\u1edbi g\u00f3c u\u1ed1n. Hi\u1ec7u \u1ee9ng n\u00e0y c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng s\u1ea3n xu\u1ea5t \u0111\u00e1ng k\u1ec3 (v\u00ed d\u1ee5, m\u1ed9t l\u00f4 $50k).<\/td><\/tr>
So s\u00e1nh \u0111\u1ed9 h\u1ed3i l\u00f2 xo (Springback Comparison)<\/td>Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y, \u0111\u1ed9 h\u1ed3i l\u00f2 xo ph\u1ea7n l\u1edbn ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh b\u00ean trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean. Trong t\u1ea1o h\u00ecnh b\u1ecb h\u1ea1n ch\u1ebf, ma s\u00e1t v\u00e0 s\u1ef1 ti\u1ebfp x\u00fac \u0111a b\u1ec1 m\u1eb7t thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i \u1ee9ng su\u1ea5t tr\u01b0\u1edbc khi ch\u1ea1m \u0111\u00e1y khu\u00f4n. Tr\u1ee5c trung h\u00f2a b\u1ecb c\u1ed1 \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc v\u00e0 \u1ee9ng su\u1ea5t k\u00e9o thay v\u00ec t\u1ef1 do d\u1ecbch chuy\u1ec3n.<\/td><\/tr>
C\u00e2u h\u1ecfi c\u1ed1t l\u00f5i<\/td>N\u1ebfu kim lo\u1ea1i b\u1ecb k\u00e9o gi\u00e3n qua m\u1ed9t khoang c\u1ed1 \u0111\u1ecbnh trong khi b\u1ecb ng\u0103n c\u1ea3n vi\u1ec7c c\u1ea5p v\u1eadt li\u1ec7u, v\u1eady th\u1ef1c s\u1ef1 y\u1ebfu t\u1ed1 n\u00e0o \u0111ang ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

B\u00e1n k\u00ednh c\u1ed1 \u0111\u1ecbnh v\u00e0 s\u1ef1 ph\u00e2n b\u1ed1 \u00e1p l\u1ef1c: lo\u1ea1i b\u1ecf t\u00ednh ng\u1eabu nhi\u00ean c\u1ee7a u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y<\/h3>\n\n\n\n

H\u00e3y s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 g\u1edd \u0111\u00fac v\u1edbi b\u00e1n k\u00ednh b\u00ean trong 0,060 in. \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c. B\u00e1n k\u00ednh \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 g\u1ee3i \u00fd. \u0110\u00f3 l\u00e0 m\u1ed9t s\u1ef1 th\u1eadt b\u1eb1ng th\u00e9p. Khi ch\u00e0y \u0111\u00f3ng v\u00e0o khoang, t\u1ea5m kim lo\u1ea1i b\u1ecb bu\u1ed9c ph\u1ea3i tu\u00e2n theo b\u00e1n k\u00ednh \u0111\u00f3 tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

Trong u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y, b\u00e1n k\u00ednh b\u00ean trong l\u00e0 k\u1ebft qu\u1ea3 ph\u1ee5 \u2014 kho\u1ea3ng 16 ph\u1ea7n tr\u0103m c\u1ee7a \u0111\u1ed9 m\u1edf h\u00ecnh V \u0111\u1ed1i v\u1edbi th\u00e9p m\u1ec1m, theo quy t\u1eafc kinh nghi\u1ec7m. Thay \u0111\u1ed5i chi\u1ec1u r\u1ed9ng khu\u00f4n ch\u1eef V th\u00ec b\u00e1n k\u00ednh c\u0169ng thay \u0111\u1ed5i. Thay \u0111\u1ed5i \u0111\u1ed9 xuy\u00ean m\u1ed9t ch\u00fat, b\u00e1n k\u00ednh d\u1ecbch chuy\u1ec3n \u0111\u00f4i ch\u00fat. N\u00f3 linh ho\u1ea1t, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea3ng h\u1ec7 s\u1ed1 K c\u1ee7a b\u1ea1n ch\u1ec9 l\u00e0 nh\u1eefng \u01b0\u1edbc l\u01b0\u1ee3ng mang t\u00ednh th\u1ed1ng k\u00ea.<\/p>\n\n\n\n

Trong khoang g\u1edd \u0111\u00fac, b\u00e1n k\u00ednh l\u00e0 c\u1ed1 \u0111\u1ecbnh. Nh\u01b0ng \u0111\u00e2y m\u1edbi l\u00e0 ph\u1ea7n nhi\u1ec1u ng\u01b0\u1eddi b\u1ecf qua: c\u1ed1 \u0111\u1ecbnh b\u00e1n k\u00ednh kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c c\u1ed1 \u0111\u1ecbnh g\u00f3c n\u1ebfu s\u1ef1 ph\u00e2n b\u1ed1 \u00e1p l\u1ef1c kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n

N\u1ebfu b\u1ea1n ch\u00e0y \u00e9p qu\u00e1 m\u1ee9c so v\u1edbi \u0111i\u1ec3m d\u1eebng d\u1ef1 ki\u1ebfn, b\u1ea1n b\u1eaft \u0111\u1ea7u n\u00e9n c\u1ea5u tr\u00fac h\u1ea1t b\u00ean trong \u2014 n\u00e9n m\u1ea1ng tinh th\u1ec3 g\u1ea7n b\u1ec1 m\u1eb7t trong. \u0110i\u1ec1u \u0111\u00f3 ti\u1ebfn g\u1ea7n \u0111\u1ebfn u\u1ed1n ch\u1ea1m \u0111\u00e1y ho\u1eb7c th\u1eadm ch\u00ed ch\u1ea5n d\u1eadp ho\u00e0n to\u00e0n, c\u00f3 th\u1ec3 y\u00eau c\u1ea7u l\u1ef1c \u00e9p g\u1ea5p n\u0103m \u0111\u1ebfn ba m\u01b0\u01a1i l\u1ea7n l\u1ef1c u\u1ed1n kh\u00f4ng ch\u1ea1m \u0111\u00e1y. N\u1ebfu l\u00e0m m\u00e0 kh\u00f4ng ki\u1ec3m so\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 g\u00e2y ra \u201ch\u1ed3i l\u00f2 xo \u00e2m\u201d, khi chi ti\u1ebft th\u1ef1c t\u1ebf \u0111\u00f3ng v\u01b0\u1ee3t qu\u00e1 g\u00f3c danh \u0111\u1ecbnh sau khi th\u00e1o t\u1ea3i.<\/p>\n\n\n\n

Nghe c\u00f3 v\u1ebb \u1ed5n cho \u0111\u1ebfn khi b\u1ea1n l\u00e0m m\u1ecfng v\u00e1ch b\u00ean trong v\u00e0 l\u00e0m thay \u0111\u1ed5i h\u1ec7 s\u1ed1 K m\u1ed9t l\u1ea7n n\u1eefa.<\/p>\n\n\n\n

V\u00ec v\u1eady, \u0111\u00fang l\u00e0 h\u00ecnh h\u1ecdc c\u1ed1 \u0111\u1ecbnh lo\u1ea1i b\u1ecf t\u00ednh ng\u1eabu nhi\u00ean c\u1ee7a vi\u1ec7c u\u1ed1n trong kh\u00f4ng kh\u00ed t\u1ef1 do \u2014 nh\u01b0ng ch\u1ec9 khi khoang h\u1ed7 tr\u1ee3 v\u1eadt li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 l\u1ef1c \u00e9p ph\u00f9 h\u1ee3p v\u1edbi \u00fd \u0111\u1ed3 thi\u1ebft k\u1ebf. Ph\u00e2n b\u1ed1 \u00e1p su\u1ea5t k\u00e9m trong m\u1ed9t khoang h\u1eb9p c\u00f3 th\u1ec3 t\u1ea1o ra \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 v\u01b0\u1ee3t m\u1ee9c, l\u00e0m m\u1ecfng v\u00e0 gi\u00e3n n\u1edf kh\u00f4ng th\u1ec3 d\u1ef1 \u0111o\u00e1n. Khi \u0111\u00f3 ph\u1ea7n to\u00e1n h\u1ecdc \u201cc\u1ed1 \u0111\u1ecbnh\u201d c\u1ee7a b\u1ea1n l\u1ea1i b\u1ecb ph\u00e1 v\u1ee1, ch\u1ec9 l\u00e0 theo m\u1ed9t c\u00e1ch kh\u00e1c.<\/p>\n\n\n\n

B\u00e0i h\u1ecdc kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c g\u00f2 \u0111\u1ecbnh h\u00ecnh lu\u00f4n ho\u00e0n h\u1ea3o. M\u00e0 l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u00e1ch khoang \u0111i\u1ec1u khi\u1ec3n v\u00f9ng ti\u1ebfp x\u00fac, ma s\u00e1t v\u00e0 s\u1ef1 lan truy\u1ec1n t\u1ea3i. N\u1ebfu b\u00e1n k\u00ednh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng th\u00e9p, v\u1eady c\u00e1i g\u00ec gi\u1eef c\u1ed1 \u0111\u1ecbnh ch\u00ednh g\u00f3c \u0111\u1ed9 \u0111\u1ec3 n\u00f3 kh\u00f4ng c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u00e0y \u00e9p?<\/p>\n\n\n\n

Vai tr\u00f2 c\u1ee7a ch\u1eb7n t\u00edch h\u1ee3p trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u1eb7p l\u1ea1i \u0111\u1ed9c l\u1eadp v\u1edbi th\u01b0\u1edbc t\u1ef3 sau<\/h3>\n\n\n\n

T\u00f4i \u0111\u00e3 t\u1eebng ch\u1ea1y c\u00e1c c\u00f4ng vi\u1ec7c u\u1ed1n \u0111\u00e1y tr\u00ean nh\u1eefng m\u00e1y \u00e9p phanh \u0111\u00e3 ba m\u01b0\u01a1i n\u0103m tu\u1ed5i v\u1edbi b\u1ed9 m\u00e3 h\u00f3a l\u1ecfng l\u1ebbo nh\u01b0ng v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c g\u00f3c. T\u1ea1i sao? V\u00ec khu\u00f4n ch\u00ednh l\u00e0 gi\u1edbi h\u1ea1n c\u01a1 h\u1ecdc c\u1ee9ng. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ch\u1ec9 \u0111\u01b0a t\u00f4i \u0111\u1ebfn g\u1ea7n; d\u1ee5ng c\u1ee5 m\u1edbi l\u00e0 th\u1ee9 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c.<\/p>\n\n\n\n

M\u1ed9t d\u1ee5ng c\u1ee5 g\u00f2 \u0111\u1ecbnh h\u00ecnh c\u00f3 ch\u1eb7n t\u00edch h\u1ee3p s\u1ebd l\u1ea5y nguy\u00ean l\u00fd \u0111\u00f3 v\u00e0 l\u00e0m n\u00f3 ch\u1eb7t ch\u1ebd h\u01a1n. \u1ede h\u00e0nh tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7, chi ti\u1ebft s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t kh\u1edbp v\u1eadt l\u00fd v\u00e0o m\u1ed9t m\u1eb7t \u0111\u00e3 gia c\u00f4ng, ch\u00ednh n\u00f3 x\u00e1c \u0111\u1ecbnh g\u00f3c th\u00e0nh cu\u1ed1i c\u00f9ng. Kh\u00f4ng \u201cx\u1ea5p x\u1ec9.\u201d Kh\u00f4ng \u201cd\u1ef1a tr\u00ean \u0111\u1ed9 s\u00e2u.\u201d N\u00f3 d\u1eebng l\u1ea1i v\u00ec n\u00f3 ch\u1ea1m v\u00e0o th\u00e9p.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 t\u00ednh \u0111\u1ed9c l\u1eadp v\u1edbi th\u01b0\u1edbc t\u1ef3 sau trong h\u00ecnh th\u1ee9c v\u1eadt l\u00fd.<\/p>\n\n\n\n

N\u1ebfu ph\u00f4i c\u1ee7a b\u1ea1n d\u00e0i ho\u1eb7c ng\u1eafn h\u01a1n m\u1ed9t ch\u00fat, vi\u1ec7c u\u1ed1n trong kh\u00f4ng kh\u00ed s\u1ebd cho th\u1ea5y ngay s\u1ef1 thay \u0111\u1ed5i v\u1ec1 g\u00f3c v\u00ec v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 co gi\u00e3n kh\u00e1c nhau \u1edf m\u1ed7i chu k\u1ef3. Trong m\u1ed9t khoang b\u1ecb gi\u1edbi h\u1ea1n v\u1edbi ch\u1eb7n t\u00edch h\u1ee3p, vi\u1ec7c co gi\u00e3n \u0111\u00e3 b\u1ecb h\u1ea1n ch\u1ebf v\u00e0 v\u1ecb tr\u00ed cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi m\u1eb7t ch\u1eb7n. S\u1ef1 thay \u0111\u1ed5i nh\u1ecf trong \u0111\u1ed9 s\u00e2u c\u1ee7a ch\u00e0y v\u00e0i ph\u1ea7n ngh\u00ecn kh\u00f4ng thay \u0111\u1ed5i g\u00f3c khi ch\u1eb7n \u0111\u00e3 ti\u1ebfp x\u00fac \u2014 t\u1ea3i ch\u1ec9 t\u0103ng l\u00ean ch\u1ed1ng l\u1ea1i d\u1ee5ng c\u1ee5 m\u00e0 th\u00f4i.<\/p>\n\n\n\n

Nh\u01b0ng \u0111\u00e2y l\u00e0 ph\u1ea7n to\u00e1n lai m\u00e0 \u00edt ai nh\u1eafc \u0111\u1ebfn: b\u1ea1n v\u1eabn c\u1ea7n \u0111\u1ee7 l\u1ef1c \u00e9p \u0111\u1ec3 chi ti\u1ebft th\u1eadt s\u1ef1 t\u1ef3 ho\u00e0n to\u00e0n v\u00e0o ch\u1eb7n \u0111\u00f3 m\u00e0 kh\u00f4ng b\u1ecb \u0111\u1ed9 \u0111\u00e0n h\u1ed3i gi\u1eef c\u00e1ch kh\u1ecfi b\u1ec1 m\u1eb7t. Qu\u00e1 \u00edt l\u1ef1c th\u00ec chi ti\u1ebft \u201cl\u01a1 l\u1eedng.\u201d Qu\u00e1 nhi\u1ec1u l\u1ef1c th\u00ec th\u00e0nh gi\u1eadp (coining) ngo\u00e0i \u00fd mu\u1ed1n.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a thi\u1ebft k\u1ebf d\u1ee5ng c\u1ee5, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 c\u00f4ng su\u1ea5t m\u00e1y \u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n c\u00f9ng nhau. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1edf th\u00e0nh h\u1ec7 th\u1ed1ng truy\u1ec1n l\u1ef1c v\u00e0 \u0111\u1ecbnh v\u1ecb; d\u1ee5ng c\u1ee5 \u0111\u1ecbnh ngh\u0129a k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

Khi b\u1ea1n ch\u1ea5p nh\u1eadn r\u1eb1ng khoang c\u1ed1 \u0111\u1ecbnh b\u00e1n k\u00ednh, ch\u1eb7n c\u1ed1 \u0111\u1ecbnh g\u00f3c, v\u00e0 ma s\u00e1t c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng, th\u00ec c\u00e1c b\u1ea3ng h\u1ec7 s\u1ed1 K u\u1ed1n trong kh\u00f4ng kh\u00ed c\u0169 kh\u00f4ng ch\u1ec9 l\u00e0 sai l\u1ec7ch \u2014 ch\u00fang \u0111ang m\u00f4 t\u1ea3 m\u1ed9t th\u1ebf gi\u1edbi v\u1eadt l\u00fd kh\u00e1c.<\/p>\n\n\n\n

V\u1eady n\u1ebfu d\u1ee5ng c\u1ee5 quy\u1ebft \u0111\u1ecbnh b\u00e1n k\u00ednh, g\u00f3c, v\u00e0 tr\u1ea1ng th\u00e1i bi\u1ebfn d\u1ea1ng, \u0111i\u1ec1u \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng th\u1ebf n\u00e0o \u0111\u1ebfn ph\u00e9p t\u00ednh l\u01b0\u1ee3ng u\u1ed1n v\u00e0 \u0111\u1ed9 h\u1ed3i l\u00f2 c\u1ee7a b\u1ea1n?<\/p>\n\n\n\n

Hi\u1ec7u ch\u1ec9nh l\u1ea1i to\u00e1n h\u1ecdc: T\u1ea1i sao c\u00e1c g\u00f2 \u0111\u1ecbnh h\u00ecnh y\u00eau c\u1ea7u h\u1ec7 s\u1ed1 K t\u00f9y ch\u1ec9nh v\u00e0 h\u1ed3 s\u01a1 u\u1ed1n v\u01b0\u1ee3t (overbend) ri\u00eang bi\u1ec7t<\/h2>\n\n\n\n

T\u00f4i c\u00f3 m\u1ed9t gi\u00e1 \u0111\u1ee1 b\u1eb1ng th\u00e9p m\u1ec1m d\u00e0y 0,125 inch \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ho\u00e0n h\u1ea3o tr\u00ean gi\u1ea5y. C\u00e1c con s\u1ed1 cho u\u1ed1n trong kh\u00f4ng kh\u00ed. H\u1ec7 s\u1ed1 K l\u00e0 0,42. B\u00e1n k\u00ednh trong \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh b\u1eb1ng 16 ph\u1ea7n tr\u0103m c\u1ee7a khe V r\u1ed9ng 1 inch. Ph\u00e9p t\u00ednh l\u01b0\u1ee3ng u\u1ed1n cho k\u1ebft qu\u1ea3 g\u1ecdn gh\u1ebd, ph\u00f4i \u0111\u01b0\u1ee3c c\u1eaft, l\u1ea7n u\u1ed1n \u0111\u1ea7u tr\u00f4ng r\u1ea5t \u1ed5n.<\/p>\n\n\n\n

Ngo\u1ea1i tr\u1eeb vi\u1ec7c m\u00e9p g\u1eadp b\u1ecb ng\u1eafn. Kh\u00f4ng ch\u1ec9 m\u1ed9t ch\u00fat. M\u00e0 ng\u1eafn \u0111\u1ebfn 0,060 inch.<\/p>\n\n\n\n

C\u00f9ng v\u1eadt li\u1ec7u. C\u00f9ng \u0111\u1ed9 d\u00e0y. Nh\u01b0ng l\u1ea7n n\u00e0y n\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh trong khoang g\u00f2 \u0111\u1ecbnh h\u00ecnh v\u1edbi b\u00e1n k\u00ednh gia c\u00f4ng 0,060 inch v\u00e0 th\u00e0nh b\u00ean k\u1eb9p s\u1edbm. Ph\u00e9p to\u00e1n c\u0169 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng tr\u1ee5c trung h\u00f2a s\u1ebd n\u1eb1m kho\u1ea3ng 42 ph\u1ea7n tr\u0103m \u0111\u1ed9 d\u00e0y t\u00ednh t\u1eeb b\u00ean trong. Trong khoang, v\u1edbi ma s\u00e1t k\u00e9o d\u00e0i v\u00f9ng u\u1ed1n v\u00e0 vi\u1ec7c co gi\u00e3n b\u1ecb h\u1ea1n ch\u1ebf, tr\u1ee5c trung h\u00f2a \u0111\u00f3 d\u1ecbch chuy\u1ec3n ra ngo\u00e0i. V\u1eadt li\u1ec7u gi\u00e3n d\u00e0i h\u01a1n so v\u1edbi b\u1ea3ng t\u00ednh d\u1ef1 \u0111o\u00e1n. Nhi\u1ec1u gi\u00e3n d\u00e0i h\u01a1n ngh\u0129a l\u00e0 ti\u00eau th\u1ee5 nhi\u1ec1u l\u01b0\u1ee3ng u\u1ed1n h\u01a1n. Ti\u00eau th\u1ee5 nhi\u1ec1u l\u01b0\u1ee3ng u\u1ed1n h\u01a1n ngh\u0129a l\u00e0 ch\u00e2n g\u1eadp ng\u1eafn h\u01a1n.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 sai s\u1ed1 l\u00e0m tr\u00f2n. \u0110\u00f3 l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

N\u1ebfu d\u1ee5ng c\u1ee5 c\u1ed1 \u0111\u1ecbnh b\u00e1n k\u00ednh v\u00e0 g\u00f3c, th\u00ec bi\u1ebfn s\u1ed1 duy nh\u1ea5t c\u00f2n l\u1ea1i trong to\u00e1n ph\u1eb3ng c\u1ee7a b\u1ea1n l\u00e0 c\u00e1ch v\u1eadt li\u1ec7u th\u1ef1c s\u1ef1 gi\u00e3n ra b\u00ean trong v\u1ecf th\u00e9p \u0111\u00f3. V\u00e0 ch\u00ednh t\u1ea1i \u0111\u00f3 vi\u1ec7c t\u00e1i l\u1eadp m\u00f4 h\u00ecnh b\u1eaft \u0111\u1ea7u.<\/p>\n\n\n\n

T\u1ea1i sao c\u00e1c b\u1ea3ng s\u1ed1 chu\u1ea9n trong s\u1ed5 tay l\u1ea1i d\u1eabn \u0111\u1ebfn m\u00e9p g\u1eadp ng\u1eafn khi d\u00f9ng khu\u00f4n b\u1ecb gi\u1edbi h\u1ea1n<\/h3>\n\n\n\n

L\u1ea5y c\u00f4ng th\u1ee9c l\u01b0\u1ee3ng u\u1ed1n kinh \u0111i\u1ec3n:<\/p>\n\n\n\n

BA = g\u00f3c \u00d7 (R + K \u00d7 T)<\/p>\n\n\n\n

G\u00f3c t\u00ednh b\u1eb1ng radian. R l\u00e0 b\u00e1n k\u00ednh b\u00ean trong. T l\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u. K l\u00e0 t\u1ef7 l\u1ec7 tr\u1ee5c trung h\u00f2a.<\/p>\n\n\n\n

Trong u\u1ed1n kh\u00f4ng kh\u00ed, K l\u00e0 m\u1ed9t s\u1ef1 th\u1ecfa hi\u1ec7p mang t\u00ednh th\u1ed1ng k\u00ea. B\u00e1n k\u00ednh h\u00ecnh th\u00e0nh ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch m\u1edf V v\u00e0 \u0111\u1ed9 xuy\u00ean. T\u1ea5m kim lo\u1ea1i c\u00f3 th\u1ec3 h\u00fat v\u00e0o t\u1eeb ph\u1ea7n ch\u00e2n khi n\u00f3 qu\u1ea5n quanh ch\u00e0y. Tr\u1ee5c trung h\u00f2a \u201ct\u1ef1 t\u00ecm\u201d v\u1ecb tr\u00ed c\u1ee7a n\u00f3 d\u1ef1a tr\u00ean s\u1ef1 bi\u1ebfn d\u1ea1ng t\u01b0\u01a1ng \u0111\u1ed1i t\u1ef1 do.<\/p>\n\n\n\n

B\u00e2y gi\u1edd h\u00e3y k\u1eb9p c\u00f9ng m\u1ed9t t\u1ea5m \u0111\u00f3 trong m\u1ed9t h\u1ed1c khu\u00f4n c\u00f3 c\u00e0ng \u0111\u1ecbnh h\u00ecnh.<\/p>\n\n\n\n

Th\u00e0nh b\u00ean ti\u1ebfp x\u00fac tr\u01b0\u1edbc khi qu\u1ea5n ho\u00e0n to\u00e0n. M\u1ed9t b\u1ed9 t\u00e1ch \u00e1p l\u1ef1c t\u00e1c d\u1ee5ng ph\u00eda tr\u00ean. Ma s\u00e1t d\u1ecdc nh\u1eefng b\u1ec1 m\u1eb7t \u0111\u00f3 t\u1ea1o ra \u1ee9ng su\u1ea5t k\u00e9o d\u1ecdc theo \u0111\u01b0\u1eddng u\u1ed1n. Thay v\u00ec ch\u1ec9 u\u1ed1n, v\u1eadt li\u1ec7u \u0111ang b\u1ecb k\u00e9o c\u0103ng qua m\u1ed9t b\u00e1n k\u00ednh c\u1ed1 \u0111\u1ecbnh 0.060 inch trong khi b\u1ecb ng\u0103n kh\u00f4ng cho n\u1ea1p v\u00e0o b\u00ean trong.<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, \u0111i\u1ec1u \u0111\u00f3 t\u1ea1o ra hai t\u00e1c \u0111\u1ed9ng:<\/p>\n\n\n\n

    \n
  1. N\u00f3 l\u00e0m t\u0103ng bi\u1ebfn d\u1ea1ng s\u1ee3i ngo\u00e0i v\u01b0\u1ee3t qua m\u1ee9c u\u1ed1n h\u00ecnh h\u1ecdc thu\u1ea7n t\u00fay.<\/li>\n\n\n\n
  2. N\u00f3 \u0111\u1ea9y tr\u1ee5c trung h\u00f2a ra ngo\u00e0i, l\u00e0m t\u0103ng K hi\u1ec7u d\u1ee5ng.<\/li>\n<\/ol>\n\n\n\n

    N\u1ebfu s\u1ed5 tay c\u1ee7a b\u1ea1n ghi K = 0.42 v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf b\u1ecb r\u00e0ng bu\u1ed9c l\u1ea1i \u1ee9ng x\u1eed nh\u01b0 0.48 ho\u1eb7c 0.50, th\u00ec \u0111\u1ed9 d\u00e0i u\u1ed1n c\u1ee7a b\u1ea1n s\u1ebd t\u0103ng. Tr\u00ean m\u1ed9t g\u00f3c u\u1ed1n 90\u00b0 c\u1ee7a v\u1eadt li\u1ec7u d\u00e0y 0.125 inch v\u1edbi b\u00e1n k\u00ednh 0.060 inch, s\u1ef1 thay \u0111\u1ed5i \u0111\u00f3 c\u00f3 th\u1ec3 \u0103n m\u1ea5t t\u1eeb n\u0103m m\u01b0\u01a1i \u0111\u1ebfn t\u00e1m m\u01b0\u01a1i ph\u1ea7n ngh\u00ecn \u0111\u1ed9 d\u00e0i ph\u1eb3ng.<\/p>\n\n\n\n

    Ki\u1ec3m tra th\u1ef1c t\u1ebf: n\u1ebfu b\u1ea1n v\u1eabn d\u00f9ng h\u1ec7 s\u1ed1 K trong s\u1ed5 tay t\u1eeb b\u00e0i u\u1ed1n V-die, t\u00f4i \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u \u0111\u00f3 g\u00e2y ph\u1ebf li\u1ec7u cho m\u1ed9t l\u00f4 $50k.<\/p>\n\n\n\n

    B\u1ea1n c\u00f3 th\u1ec3 th\u1eed u\u1ed1n v\u00e0 t\u00ednh ng\u01b0\u1ee3c l\u1ea1i K m\u1edbi gi\u1ed1ng nh\u01b0 c\u00e1ch ng\u01b0\u1eddi l\u00e0m l\u00e2u n\u0103m t\u00ednh v\u1edbi V-die ch\u1ee9? Ho\u00e0n to\u00e0n c\u00f3 th\u1ec3. Ba l\u1ea7n \u0111\u1eadp, \u0111o, ch\u1ec9nh, l\u1eb7p l\u1ea1i. C\u00e1ch \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng khi ch\u1ebf \u0111\u1ed9 bi\u1ebfn d\u1ea1ng duy tr\u00ec \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

    Nh\u01b0ng trong c\u00e0ng khu\u00f4n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh bi\u1ebfn d\u1ea1ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c t\u1ea5m gh\u00e9p ho\u00e0n to\u00e0n v\u1edbi khoang, ma s\u00e1t nh\u1ea5t qu\u00e1n v\u00e0 l\u1ef1c \u00e9p \u1ed5n \u0111\u1ecbnh. Ch\u1ec9 c\u1ea7n thi\u1ebfu m\u1ed9t y\u1ebfu t\u1ed1 th\u00ec K \u201chi\u1ec7u chu\u1ea9n\u201d c\u1ee7a b\u1ea1n l\u1ea1i tr\u00f4i. V\u1eady n\u00ean c\u00e2u h\u1ecfi kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tinh ch\u1ec9nh n\u00f3 hay kh\u00f4ng \u2014 m\u00e0 l\u00e0 b\u1ea1n c\u00f3 tinh ch\u1ec9nh \u0111\u00fang m\u00f4 h\u00ecnh v\u1eadt l\u00fd ngay t\u1eeb \u0111\u1ea7u hay kh\u00f4ng.<\/p>\n\n\n\n

    Ngh\u1ecbch l\u00fd qu\u00e1 u\u1ed1n: T\u00ednh to\u00e1n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i l\u00f2 xo tr\u1ef1c ti\u1ebfp v\u00e0o h\u00ecnh h\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5<\/h3>\n\n\n\n

    T\u00f4i \u0111\u00e3 th\u1ea5y th\u1ee3 v\u1eadn h\u00e0nh u\u1ed1n kh\u00f4ng kh\u00ed qu\u00e1 m\u1ee9c t\u1edbi 88\u00b0 \u0111\u1ec3 n\u00f3 \u0111\u00e0n h\u1ed3i m\u1edf ra th\u00e0nh 90\u00b0. \u0110\u1ed9ng t\u00e1c ki\u1ec3u s\u00e1ch gi\u00e1o khoa. Nh\u01b0ng thay v\u00e0o \u0111\u00f3 n\u00f3 m\u1edf ra t\u1edbi 62\u00b0.<\/p>\n\n\n\n

    \u0110\u00f3 kh\u00f4ng ph\u1ea3i ma thu\u1eadt. \u0110\u00f3 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201ccreep\u201d do d\u1eadp. M\u1ed9t khi b\u1ea1n \u00e9p \u0111\u1ee7 s\u00e2u trong khoang ch\u1eadt, b\u1ea1n kh\u00f4ng c\u00f2n \u1edf v\u00f9ng u\u1ed1n kh\u00f4ng kh\u00ed chi\u1ebfm \u01b0u th\u1ebf \u0111\u00e0n h\u1ed3i n\u1eefa. B\u1ea1n \u0111ang n\u00e9n d\u1ebbo c\u00e1c s\u1ee3i b\u00ean trong v\u00e0 ph\u00e2n b\u1ed1 l\u1ea1i \u1ee9ng su\u1ea5t xuy\u00ean qua \u0111\u1ed9 d\u00e0y. Khi h\u00ecnh d\u1ea1ng \u00e9p l\u1ea1i m\u1ea1nh h\u01a1n, \u0111i\u1ec1u x\u1ea3y ra kh\u00f4ng ph\u1ea3i l\u00e0 h\u1ed3i ph\u1ee5c \u0111\u00e0n h\u1ed3i nh\u1eb9 \u2014 n\u00f3 c\u00f3 th\u1ec3 \u0111\u1ea3o chi\u1ec1u c\u1ee7a hi\u1ec7u ch\u1ec9nh.<\/p>\n\n\n\n

    Trong u\u1ed1n kh\u00f4ng kh\u00ed, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i l\u00f2 xo ch\u1ee7 y\u1ebfu l\u00e0 h\u00e0m c\u1ee7a b\u00e1n k\u00ednh b\u00ean trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean. V\u00ec v\u1eady ta t\u00ednh g\u00f3c qu\u00e1 u\u1ed1n v\u00e0 \u0111i\u1ec1u khi\u1ec3n b\u00e0n \u00e9p \u0111i \u0111\u1ebfn \u0111\u00f3.<\/p>\n\n\n\n

    Trong c\u00e0ng khu\u00f4n c\u00f3 ch\u1ed1t ng\u0103n t\u00edch h\u1ee3p, g\u00f3c cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi ti\u1ebfp x\u00fac th\u00e9p-v\u1edbi-th\u00e9p. B\u1ea1n kh\u00f4ng \u201cch\u1ec9nh\u201d 92\u00b0 v\u00e0 hy v\u1ecdng n\u00f3 gi\u00e3n ra th\u00e0nh 90\u00b0. B\u1ea1n gia c\u00f4ng khoang v\u1edbi g\u00f3c cho ra 90\u00b0 sau khi b\u1ecf t\u1ea3i d\u01b0\u1edbi l\u1ef1c \u00e9p ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 ngh\u1ecbch l\u00fd: g\u00f3c qu\u00e1 u\u1ed1n kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh trong b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. N\u00f3 \u0111\u01b0\u1ee3c gia c\u00f4ng ngay trong d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

    V\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 h\u1ea1ng m\u1ee5c \u0111\u00e0n h\u1ed3i l\u00f2 xo c\u1ee7a b\u1ea1n chuy\u1ec3n t\u1eeb m\u1ed9t bi\u1ebfn trong c\u00e0i \u0111\u1eb7t m\u00e1y \u00e9p th\u00e0nh m\u1ed9t \u0111\u1ed9 l\u1ec7ch c\u1ed1 \u0111\u1ecbnh trong g\u00f3c khoang. N\u1ebfu v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y thay \u0111\u1ed5i, g\u00f3c khoang c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n b\u00f9 \u0111\u00fang n\u1eefa. H\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i Ks \u2014 g\u00f3c cu\u1ed1i c\u00f9ng chia cho g\u00f3c d\u01b0\u1edbi t\u1ea3i \u2014 nay kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o v\u1eadt li\u1ec7u. N\u00f3 l\u00e0 v\u1eadt li\u1ec7u c\u1ed9ng v\u1edbi r\u00e0ng bu\u1ed9c.<\/p>\n\n\n\n

    B\u1ecf qua \u0111i\u1ec1u \u0111\u00f3, v\u00e0 b\u1ea1n s\u1ebd ch\u1ea1y v\u00f2ng quanh ch\u1ec9nh \u0111\u1ed9 s\u00e2u b\u00e0n \u00e9p \u0111\u1ed1i v\u1edbi m\u1ed9t \u0111i\u1ec3m d\u1eebng c\u1ee9ng ch\u1eb3ng h\u1ec1 quan t\u00e2m t\u1edbi nh\u1eefng g\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ngh\u0129.<\/p>\n\n\n\n

    V\u1eady n\u1ebfu vi\u1ec7c hi\u1ec7u ch\u1ec9nh g\u00f3c n\u1eb1m ngay trong th\u00e9p d\u1ee5ng c\u1ee5, th\u00ec c\u1ea7n bao nhi\u00eau l\u1ef1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh \u0111\u00f3 th\u1ef1c t\u1ebf trong m\u1ed7i chu k\u1ef3?<\/p>\n\n\n\n

    T\u1ea3i tr\u1ecdng v\u00e0 \u0111\u1ed9 xuy\u00ean: v\u00ec sao di\u1ec7n t\u00edch ti\u1ebfp x\u00fac t\u0103ng l\u1ea1i l\u00e0m thay \u0111\u1ed5i y\u00eau c\u1ea7u cho m\u00e1y c\u1ee7a b\u1ea1n<\/h3>\n\n\n\n

    V\u1edbi m\u1ed9t \u0111o\u1ea1n u\u1ed1n kh\u00ed 4\u202fft tr\u00ean th\u00e9p m\u1ec1m d\u00e0y 0,125\u202fin., b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea1y kho\u1ea3ng 20\u202ft\u1ea5n. T\u1ea3i tr\u1ecdng t\u1eadp trung d\u1ecdc theo \u0111\u1ea7u ch\u00e0y h\u1eb9p v\u00e0 hai m\u00e9p khu\u00f4n. Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac h\u1ea1n ch\u1ebf. Ma s\u00e1t h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n

    \u0110\u00f3ng c\u00f9ng chi\u1ec1u d\u00e0i \u0111\u00f3 v\u00e0o khoang g\u1edd u\u1ed1n t\u1ea1o h\u00ecnh v\u00e0 b\u1ea1n c\u00f3 ti\u1ebfp x\u00fac \u0111\u1ea7u ch\u00e0y, ti\u1ebfp x\u00fac th\u00e0nh b\u00ean, \u00e1p l\u1ef1c t\u1ea5m \u00e9p tr\u00ean \u0111\u1ec9nh, v\u00e0 t\u1ef3 to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i v\u00e0o \u0111i\u1ec3m d\u1eebng t\u00edch h\u1ee3p. Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac t\u0103ng g\u1ea5p b\u1ed9i. Ma s\u00e1t t\u0103ng g\u1ea5p b\u1ed9i. V\u1eadt li\u1ec7u kh\u00f4ng ch\u1ec9 b\u1ecb u\u1ed1n; n\u00f3 \u0111ang \u0111\u01b0\u1ee3c \u00e9p th\u00e0nh h\u00ecnh d\u1ea1ng.<\/p>\n\n\n\n

    L\u1ef1c b\u1eb1ng \u00e1p su\u1ea5t nh\u00e2n v\u1edbi di\u1ec7n t\u00edch. T\u0103ng di\u1ec7n t\u00edch th\u00ec t\u1ed5ng t\u1ea3i tr\u1ecdng t\u0103ng nhanh ch\u00f3ng.<\/p>\n\n\n\n

    N\u1ebfu thi\u1ebfu t\u1ea3i tr\u1ecdng c\u1ea7n thi\u1ebft, chi ti\u1ebft s\u1ebd kh\u00f4ng t\u1ef3 ho\u00e0n to\u00e0n v\u00e0o \u0111i\u1ec3m d\u1eebng. N\u00f3 s\u1ebd \u0111\u00e0n h\u1ed3i nh\u1eb9 v\u00e0 t\u00e1ch ra kh\u1ecfi m\u1eb7t khoang. L\u00fac \u0111\u00f3 g\u00f3c u\u1ed1n qu\u00e1 \u0111\u1eb9p b\u1ea1n gia c\u00f4ng s\u1eb5n s\u1ebd kh\u00f4ng truy\u1ec1n sang chi ti\u1ebft. B\u1ea1n \u0111o \u0111\u01b0\u1ee3c 91\u00b0 thay v\u00ec 90\u00b0, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u, v\u00e0 kh\u00f4ng c\u00f3 g\u00ec thay \u0111\u1ed5i v\u00ec \u0111i\u1ec3m d\u1eebng \u0111\u00e3 ch\u1ea1m. V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf gi\u1edbi h\u1ea1n l\u1ef1c, kh\u00f4ng ph\u1ea3i gi\u1edbi h\u1ea1n v\u1ecb tr\u00ed.<\/p>\n\n\n\n

    \u0110i qu\u00e1 xa theo chi\u1ec1u ng\u01b0\u1ee3c l\u1ea1i th\u00ec b\u1ea1n r\u01a1i v\u00e0o v\u00f9ng d\u1eadp ti\u1ec1n \u0111\u1ecbnh h\u00ecnh ngo\u00e0i \u00fd mu\u1ed1n \u2014 g\u1ea5p n\u0103m \u0111\u1ebfn ba m\u01b0\u01a1i l\u1ea7n t\u1ea3i u\u1ed1n kh\u00ed trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ef1c \u0111oan \u2014 l\u00e0m m\u1ecfng th\u00e0nh trong v\u00e0 l\u1ea1i thay \u0111\u1ed5i h\u1ec7 s\u1ed1\u202fK hi\u1ec7u d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 l\u00fd do vi\u1ec7c hi\u1ec7u ch\u1ec9nh c\u00f4ng th\u1ee9c kh\u00f4ng ch\u1ec9 l\u00e0 thay th\u1ebf m\u1ed9t gi\u00e1 tr\u1ecb\u202fK m\u1edbi v\u00e0o b\u1ea3ng t\u00ednh. N\u00f3 l\u00e0 vi\u1ec7c g\u1eafn k\u1ebft ba y\u1ebfu t\u1ed1 th\u00e0nh m\u1ed9t m\u00f4 h\u00ecnh: bi\u1ebfn d\u1ea1ng b\u1ecb r\u00e0ng bu\u1ed9c (K t\u00f9y ch\u1ec9nh), g\u00f3c u\u1ed1n qu\u00e1 \u0111\u1ecbnh ngh\u0129a b\u1edfi khoang (g\u00f3c d\u1ee5ng c\u1ee5), v\u00e0 t\u1ea3i tr\u1ecdng \u0111\u1ee7 \u0111\u1ec3 chi ti\u1ebft t\u1ef3 ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng b\u1ecb nghi\u1ec1n n\u00e1t.<\/p>\n\n\n\n

    Khi b\u1ea1n ch\u1ea5p nh\u1eadn r\u1eb1ng khai tri\u1ec3n ph\u00f4i, b\u00f9 \u0111\u00e0n h\u1ed3i v\u00e0 c\u00f4ng su\u1ea5t \u00e9p \u0111\u1ec1u l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng th\u1ed1ng nh\u1ea5t trong qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh g\u1edd u\u1ed1n, th\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1edf th\u00e0nh ph\u1ea7n \u00edt quan tr\u1ecdng nh\u1ea5t trong ph\u01b0\u01a1ng tr\u00ecnh.<\/p>\n\n\n\n

    \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 tr\u1eadn chi\u1ebfn ti\u1ebfp theo kh\u00f4ng c\u00f2n mang t\u00ednh l\u00fd thuy\u1ebft n\u1eefa \u2014 m\u00e0 l\u00e0 xem li\u1ec7u vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 c\u0103n ch\u1ec9nh c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ee7 ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00e9p to\u00e1n \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh n\u00e0y t\u1ed3n t\u1ea1i qua l\u1ea7n ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean v\u1edbi s\u00e0n x\u01b0\u1edfng hay kh\u00f4ng.<\/p>\n\n\n\n

    T\u1eeb kh\u00e2u l\u1eafp \u0111\u1eb7t \u0111\u1ebfn h\u1ec7 th\u1ed1ng: c\u0103n ch\u1ec9nh g\u1edd u\u1ed1n \u0111\u1ec3 \u0111\u1ea1t s\u1ea3n xu\u1ea5t kh\u00f4ng l\u1ed7i<\/h2>\n\n\n\n

    B\u1ea1n \u0111\u00e3 l\u00e0m l\u1ea1i ph\u00e9p t\u00ednh. B\u1ea1n \u0111\u00e3 c\u1eaft g\u00f3c khoang \u0111\u1ec3 b\u00f9 \u0111\u00e0n h\u1ed3i. B\u1ea1n \u0111\u00e3 ki\u1ec3m ch\u1ee9ng t\u1ea3i tr\u1ecdng c\u00f3 th\u1ec3 t\u1ef3 chi ti\u1ebft m\u00e0 kh\u00f4ng r\u01a1i v\u00e0o d\u1eadp ti\u1ec1n \u0111\u1ecbnh h\u00ecnh.<\/p>\n\n\n\n

    B\u00e2y gi\u1edd th\u1ee9 duy nh\u1ea5t c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n l\u00e0 kh\u00e2u l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n

    S\u1ef1 th\u1eadt kh\u00f3 nghe \u0111\u00e2y: b\u1ed9 d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh g\u1edd u\u1ed1n kh\u00f4ng tha th\u1ee9 cho sai l\u1ec7ch nh\u01b0 u\u1ed1n kh\u00ed. Trong u\u1ed1n kh\u00ed, b\u1ea1n \u0111ang \u0111i\u1ec1u khi\u1ec3n m\u1ed9t r\u01a1\u2011mo\u00f3c l\u1ecfng b\u1eb1ng tay l\u00e1i \u2014 m\u1ed9t ch\u00fat l\u1ec7ch c\u0103n ch\u1ec9nh, m\u1ed9t ch\u00fat \u0111i\u1ec1u ch\u1ec9nh tr\u01b0\u1ee3t, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 n\u1eafn l\u1ea1i g\u00f3c. Trong t\u1ea1o h\u00ecnh g\u1edd u\u1ed1n, b\u1ea1n \u0111\u00e3 b\u1eaft ch\u1eb7t t\u1ea3i v\u00e0o m\u1ed9t gi\u00e1 \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c. H\u00ecnh h\u1ecdc quy\u1ebft \u0111\u1ecbnh. N\u1ebfu gi\u00e1 \u0111\u00f3 l\u1ec7ch n\u1eeda milim\u00e9t, m\u1ecdi chi ti\u1ebft s\u1ebd sai y h\u1ec7t nhau, \u1edf t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n

    \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 sai s\u1ed1 nh\u1ecf. \u0110\u00f3 l\u00e0 sai s\u1ed1 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

    V\u1eady c\u00e2u h\u1ecfi tr\u1edf n\u00ean th\u1ef1c t\u1ebf: n\u1ebfu ph\u00e9p t\u00ednh \u0111\u00fang, \u0111i\u1ec1u g\u00ec gi\u1eef cho n\u00f3 \u0111\u00fang khi \u00e1p d\u1ee5ng ngo\u00e0i x\u01b0\u1edfng?<\/p>\n\n\n\n

    C\u0103n ch\u1ec9nh l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 th\u1ecfa hi\u1ec7p: c\u00e1i gi\u00e1 \u0111\u1eaft cho sai l\u1ec7ch g\u1edd u\u1ed1n 0,5\u202fmm<\/h3>\n\n\n\n

    H\u00e3y n\u00f3i v\u1ec1 0,5\u202fmm.<\/p>\n\n\n\n

    Tr\u00ean m\u1ed9t khoang g\u1edd u\u1ed1n c\u00f3 th\u00e0nh b\u00ean v\u00e0 \u0111i\u1ec3m d\u1eebng t\u00edch h\u1ee3p, sai l\u1ec7ch \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0m l\u1ec7ch m\u1ed9t g\u00f3c. N\u00f3 c\u00f2n d\u1ecbch v\u1ecb tr\u00ed ti\u1ebfp x\u00fac \u0111\u1ea7u ti\u00ean c\u1ee7a v\u1eadt li\u1ec7u v\u1edbi th\u00e0nh. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i ph\u00e2n b\u1ed1 ma s\u00e1t. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng. V\u00e0 v\u00ec g\u00f3c u\u1ed1n qu\u00e1 \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng s\u1eb5n v\u00e0o khoang, v\u1eadt li\u1ec7u s\u1ebd ngoan ngo\u00e3n t\u1ea1o h\u00ecnh theo h\u00ecnh h\u1ecdc sai l\u1ec7ch \u0111\u00f3.<\/p>\n\n\n\n

    N\u00f3 s\u1ebd kh\u00f4ng ch\u1ed1ng l\u1ea1i b\u1ea1n. N\u00f3 s\u1ebd tu\u00e2n theo \u2014 nh\u01b0ng sai.<\/p>\n\n\n\n

    Trong m\u1ed9t chi ti\u1ebft \u0111\u01a1n gi\u1ea3n ch\u1ec9 c\u00f3 m\u1ed9t \u0111\u1eb7c tr\u01b0ng, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y m\u00e9p b\u1ecb nghi\u00eang ho\u1eb7c l\u1ed7 b\u1ecb l\u1ec7ch. Trong m\u1ed9t ch\u1ed1t nhi\u1ec1u \u0111\u1eb7c tr\u01b0ng v\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u1eabn l\u00e0m m\u00e1t, r\u00e3nh gi\u1ea3m \u1ee9ng su\u1ea5t ho\u1eb7c c\u00e1c n\u1ebfp g\u1ea5p l\u1ed3ng nhau, sai l\u1ec7ch n\u1eeda milim\u00e9t \u0111\u00f3 s\u1ebd t\u00edch t\u1ee5. M\u1ed9t v\u00e1ch t\u00ec s\u1edbm. V\u00e1ch kh\u00e1c l\u1ea1i kh\u00f4ng bao gi\u1edd t\u00ec kh\u00edt ho\u00e0n to\u00e0n. L\u00fac n\u00e0y b\u1ea1n c\u00f3 \u00e1p l\u1ef1c ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ec1u d\u1ecdc theo chi\u1ec1u d\u00e0i, \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c hi\u1ec7u ch\u1ec9nh \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c trong th\u00e9p c\u0169ng kh\u00f4ng \u0111\u1ec1u.<\/p>\n\n\n\n

    Ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf: T\u00f4i \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u n\u00e0y khi\u1ebfn h\u1ecfng c\u1ea3 m\u1ed9t l\u00f4 $50k. K\u1ef9 thu\u1eadt vi\u00ean thi\u1ebft l\u1eadp kh\u1eb3ng \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 ho\u00e0n to\u00e0n \u0111\u00fang. Ch\u00fang \u0111\u00fang th\u1eadt. V\u1ea5n \u0111\u1ec1 l\u00e0 khu\u00f4n kh\u00f4ng \u0111\u01b0\u1ee3c c\u0103n gi\u1eefa.<\/p>\n\n\n\n

    U\u1ed1n kh\u00f4ng kh\u00ed cho ph\u00e9p m\u1ed9t ch\u00fat sai l\u1ec7ch ngang v\u00ec v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 xoay t\u1ef1 do gi\u1eefa m\u0169i ch\u00e0y v\u00e0 vai khu\u00f4n. T\u1ea1o h\u00ecnh ch\u1ed1t trong khu\u00f4n th\u00ec b\u1ecb gi\u1edbi h\u1ea1n ba ph\u00eda. B\u1ea1n kh\u00f4ng u\u1ed1n gi\u1eefa hai \u0111i\u1ec3m; b\u1ea1n \u0111ang \u00e9p v\u1eadt li\u1ec7u v\u00e0o h\u00ecnh d\u1ea1ng. Sai l\u1ec7ch kh\u00f4ng t\u1ef1 c\u00e2n b\u1eb1ng \u2014 n\u00f3 b\u1ecb kh\u00f3a c\u1ee9ng.<\/p>\n\n\n\n

    V\u1eady l\u00e0m sao gi\u1eef cho h\u00e0nh vi ti\u1ebfp x\u00fac \u0111\u00f3 \u1ed5n \u0111\u1ecbnh khi ch\u00ednh ma s\u00e1t l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a m\u00f4 h\u00ecnh bi\u1ebfn d\u1ea1ng?<\/p>\n\n\n\n

    B\u00f4i tr\u01a1n so v\u1edbi ma s\u00e1t: qu\u1ea3n l\u00fd \u201cs\u1ee9c k\u00e9o\u201d c\u1ee7a v\u1eadt li\u1ec7u trong c\u00e1c khoang \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/h3>\n\n\n\n

    Trong u\u1ed1n kh\u00f4ng kh\u00ed, ch\u00fang ta h\u1ea7u nh\u01b0 ch\u1eb3ng ngh\u0129 \u0111\u1ebfn vi\u1ec7c b\u00f4i tr\u01a1n. T\u1ea5m kim lo\u1ea1i ch\u1ec9 ch\u1ea1m v\u00e0o m\u0169i ch\u00e0y v\u00e0 hai vai khu\u00f4n. Di\u1ec7n t\u00edch ti\u1ebfp x\u00fac nh\u1ecf. Ma s\u00e1t quan tr\u1ecdng, nh\u01b0ng kh\u00f4ng ph\u1ea3i y\u1ebfu t\u1ed1 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh.<\/p>\n\n\n\n

    Trong khoang t\u1ea1o h\u00ecnh ch\u1ed1t qua khu\u00f4n, ma s\u00e1t l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

    Khi t\u1ea5m kim lo\u1ea1i \u00f4m v\u00e0 t\u00ec v\u00e0o, l\u1ef1c k\u00e9o b\u00ean v\u00e1ch ch\u1ed1ng l\u1ea1i \u0111\u1ed9 r\u00fat v\u00e0o. S\u1ef1 kh\u00e1ng l\u1ea1i \u0111\u00f3 ch\u00ednh l\u00e0 th\u1ee9 \u0111\u1ea9y tr\u1ee5c trung h\u00f2a ra ngo\u00e0i v\u00e0 l\u00e0m l\u1ec7ch h\u1ec7 s\u1ed1 K hi\u1ec7u d\u1ee5ng. Thay \u0111\u1ed5i l\u1ef1c k\u00e9o l\u00e0 b\u1ea1n \u0111\u00e3 thay \u0111\u1ed5i ph\u00e2n b\u1ed1 bi\u1ebfn d\u1ea1ng m\u00e0 tr\u01b0\u1edbc \u0111\u00f3 v\u1eeba t\u00ednh l\u1ea1i.<\/p>\n\n\n\n

    L\u00e0m kh\u00f4 v\u00e0o th\u1ee9 Hai, b\u00f4i nhi\u1ec1u d\u1ea7u v\u00e0o th\u1ee9 Ba, v\u00e0 \u0111\u1eebng ng\u1ea1c nhi\u00ean khi h\u00ecnh h\u1ecdc \u201c\u0111\u00e3 c\u1ed1 \u0111\u1ecbnh\u201d c\u1ee7a b\u1ea1n b\u1eaft \u0111\u1ea7u thay \u0111\u1ed5i lung tung.<\/p>\n\n\n\n

    \u0110\u00e2y l\u00e0 l\u00fac ng\u01b0\u1eddi ta b\u1eaft \u0111\u1ea7u ch\u1ea1y v\u00f2ng quanh \u2014 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u h\u00e0nh tr\u00ecnh ch\u00e0y so v\u1edbi \u0111i\u1ec3m d\u1eebng c\u1ee9ng v\u00ec g\u00f3c l\u1ec7ch n\u1eeda \u0111\u1ed9. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng thay \u0111\u1ed5i. Th\u00e9p kh\u00f4ng di chuy\u1ec3n. H\u1ec7 s\u1ed1 ma s\u00e1t th\u00ec c\u00f3.<\/p>\n\n\n\n

    T\u00f4i kh\u00f4ng b\u1ea3o b\u1ea1n ph\u1ea3i ng\u1eadp trong d\u1ea7u b\u00f4i tr\u01a1n. Qu\u00e1 nhi\u1ec1u d\u1ea7u c\u00f3 th\u1ec3 khi\u1ebfn v\u1eadt li\u1ec7u tr\u01b0\u1ee3t nhi\u1ec1u h\u01a1n so v\u1edbi m\u00f4 h\u00ecnh gi\u1ea3 \u0111\u1ecbnh, l\u00e0m gi\u1ea3m \u0111\u1ed9 gi\u00e3n k\u00e9o c\u1ee7a c\u00e1c s\u1ee3i ngo\u00e0i. Khi \u0111\u00f3 g\u00f3c u\u1ed1n v\u01b0\u1ee3t m\u1ee9c s\u1ebd hi\u1ec7u ch\u1ec9nh qu\u00e1 \u0111\u00e0.<\/p>\n\n\n\n

    T\u00ednh nh\u1ea5t qu\u00e1n th\u1eafng s\u1ef1 ho\u00e0n h\u1ea3o. Ch\u1ecdn m\u1ed9t \u0111i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n. Gi\u1eef c\u1ed1 \u0111\u1ecbnh. Ghi ch\u00e9p n\u00f3 nh\u01b0 m\u1ed9t k\u00edch th\u01b0\u1edbc k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

    B\u1edfi v\u00ec trong quy tr\u00ecnh n\u00e0y, n\u00f3 ch\u00ednh l\u00e0 v\u1eady.<\/p>\n\n\n\n

    \u0110i\u1ec1u \u0111\u00f3 d\u1eabn ch\u00fang ta \u0111\u1ebfn ph\u1ea7n k\u1ef7 lu\u1eadt m\u00e0 h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng \u0111\u1ec1u b\u1ecf qua qu\u00e1 nhanh.<\/p>\n\n\n\n

    Th\u1ee9 t\u1ef1 thao t\u00e1c: k\u1eb9p, \u0111o, x\u00e1c minh<\/h3>\n\n\n\n

    N\u1ebfu t\u1ea1o h\u00ecnh ch\u1ed1t qua khu\u00f4n l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng li\u00ean k\u1ebft gi\u1eefa bi\u1ebfn d\u1ea1ng, h\u00ecnh h\u1ecdc v\u00e0 l\u1ef1c, th\u00ec vi\u1ec7c thi\u1ebft l\u1eadp ph\u1ea3i t\u00f4n tr\u1ecdng s\u1ef1 li\u00ean k\u1ebft \u0111\u00f3.<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng \u201cn\u00e9m v\u00e0o r\u1ed3i nh\u1ea5n th\u1eed\u201d.\u201d<\/p>\n\n\n\n

    B\u1ea1n k\u1eb9p. B\u1ea1n \u0111o. B\u1ea1n x\u00e1c minh.<\/p>\n\n\n\n

    Theo th\u1ee9 t\u1ef1 \u0111\u00f3.<\/p>\n\n\n\n

    B\u01b0\u1edbc 1: \u0110\u1eb7t ch\u1ed1t v\u00e0 x\u00e1c minh s\u1ef1 c\u0103n ch\u1ec9nh khu\u00f4n<\/h4>\n\n\n\n

    Tr\u01b0\u1edbc khi ch\u1ea1y v\u1eadt li\u1ec7u, h\u00e3y \u0111\u1eb7t ch\u1ed1t ho\u00e0n to\u00e0n v\u00e0o gi\u00e1 k\u1eb9p v\u00e0 \u0111o m\u1eb7t khu\u00f4n so v\u1edbi \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a ch\u00e0y. Kh\u00f4ng nh\u00ecn b\u1eb1ng m\u1eaft th\u01b0\u1eddng. Ph\u1ea3i \u0111o ch\u1ec9 th\u1ecb.<\/p>\n\n\n\n

    B\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o song song v\u00e0 c\u0103n gi\u1eefa theo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c, kh\u00f4ng ch\u1ec9 \u1edf m\u1ed9t \u0111\u1ea7u. M\u1ed9t khoang c\u00f3 th\u1ec3 vu\u00f4ng \u1edf ph\u00eda b\u00ean tr\u00e1i nh\u01b0ng b\u1ecb l\u1ec7ch \u1edf ph\u00eda b\u00ean ph\u1ea3i n\u1ebfu gi\u1eef ho\u1eb7c b\u00e0n \u00e9p c\u00f3 b\u1ee5i b\u1ea9n, ba via ho\u1eb7c m\u00f4-men si\u1ebft kh\u00f4ng \u0111\u1ec1u t\u1ea1i c\u00e1c k\u1eb9p.<\/p>\n\n\n\n

    Th\u00e9p s\u1ea1ch quan tr\u1ecdng h\u01a1n ph\u1ea7n m\u1ec1m trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y.<\/p>\n\n\n\n

    N\u1ebfu ph\u1ea7n tang kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp kh\u00edt ho\u00e0n to\u00e0n, g\u00f3c d\u1eebng t\u00edch h\u1ee3p c\u1ee7a b\u1ea1n \u2014 g\u00f3c mang gi\u00e1 tr\u1ecb b\u00f9 \u0111\u00e0n h\u1ed3i (springback) \u2014 s\u1ebd kh\u00f4ng \u1edf v\u1ecb tr\u00ed b\u1ea1n ngh\u0129. L\u00fac n\u00e0y \u201c\u0111\u1ed9 u\u1ed1n qu\u00e1 m\u1ee9c \u0111\u01b0\u1ee3c gia c\u00f4ng\u201d c\u1ee7a b\u1ea1n tr\u1edf th\u00e0nh m\u1ed9t bi\u1ebfn s\u1ed1 tr\u00f4i n\u1ed5i.<\/p>\n\n\n\n

    V\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng nh\u1eadn th\u1ea5y \u0111i\u1ec1u \u0111\u00f3 cho \u0111\u1ebfn khi c\u00e1c chi ti\u1ebft b\u1ecb l\u1ec7ch k\u00edch th\u01b0\u1edbc chu\u1ea9n khi l\u1eafp l\u1ea1i v\u1edbi nhau.<\/p>\n\n\n\n

    B\u01b0\u1edbc 2: Hi\u1ec7u ch\u1ec9nh h\u00e0nh tr\u00ecnh ch\u00e0y cho \u0111\u1ed9 v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh<\/h4>\n\n\n\n

    Sau khi \u0111\u00e3 x\u00e1c nh\u1eadn c\u0103n ch\u1ec9nh, h\u00e3y h\u1ea1 ch\u00e0y xu\u1ed1ng ch\u1ea1m nh\u1eb9 m\u00e0 kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u. Ki\u1ec3m tra \u0111\u1ed9 ti\u1ebfp x\u00fac \u0111\u1ec1u d\u1ecdc theo m\u1eb7t khoang b\u1eb1ng thanh c\u1ea3m bi\u1ebfn ho\u1eb7c gi\u1ea5y \u00e1p l\u1ef1c n\u1ebfu c\u00f3.<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng ki\u1ec3m tra g\u00f3c. B\u1ea1n \u0111ang ki\u1ec3m tra s\u1ef1 ph\u00e2n b\u1ed1 l\u1ef1c \u00e9p.<\/p>\n\n\n\n

    Sau \u0111\u00f3 \u0111\u01b0a v\u1eadt li\u1ec7u v\u00e0o v\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ea7n \u00e9p c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 x\u00e1c nh\u1eadn vi\u1ec7c t\u1ef3 kh\u00edt ho\u00e0n to\u00e0n v\u00e0o \u0111i\u1ec3m d\u1eebng t\u1ea1i l\u1ef1c \u00e9p \u0111\u00e3 t\u00ednh to\u00e1n. Theo d\u00f5i \u0111\u01b0\u1eddng cong t\u1ea3i n\u1ebfu m\u00e1y \u00e9p hi\u1ec3n th\u1ecb \u0111\u01b0\u1ee3c. \u0110\u01b0\u1eddng t\u0103ng \u0111\u1ec1u v\u00e0 \u0111o\u1ea1n b\u1eb1ng \u1ed5n \u0111\u1ecbnh cho th\u1ea5y b\u1ea1n gi\u1edbi h\u1ea1n l\u1ef1c ch\u00ednh x\u00e1c. M\u1ed9t \u0111\u1ec9nh nh\u1ecdn ho\u1eb7c t\u0103ng kh\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u ti\u1ebfp x\u00fac c\u1ee5c b\u1ed9 ho\u1eb7c t\u01b0\u1eddng b\u1ecb \u0103n kh\u1edbp s\u1edbm.<\/p>\n\n\n\n

    H\u00e3y nh\u1edb \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi h\u00ecnh h\u1ecdc ph\u1ea3n l\u1ef1c m\u1ea1nh h\u01a1n: m\u00e1y \u00e9p ph\u1ea3i \u0111\u1ee7 kh\u1ea3 n\u0103ng truy\u1ec1n g\u00f3c khoang v\u00e0o chi ti\u1ebft. N\u1ebfu l\u1ef1c kh\u00f4ng \u0111\u1ee7, chi ti\u1ebft s\u1ebd b\u1eadt kh\u1ecfi \u0111i\u1ec3m d\u1eebng v\u00e0 b\u00e1o sai khi \u0111o tr\u00ean b\u00e0n.<\/p>\n\n\n\n

    Gi\u00e1 tr\u1ecb \u0111\u1ed9 s\u00e2u kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec n\u1ebfu kh\u00f4ng c\u00f3 l\u1ef1c \u00e9p t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n

    B\u01b0\u1edbc 3: X\u00e1c nh\u1eadn s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean v\u01b0\u1ee3t ngo\u00e0i ki\u1ec3m tra g\u00f3c<\/h4>\n\n\n\n

    H\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng ch\u1ec9 \u0111o g\u00f3c v\u00e0 cho r\u1eb1ng nh\u01b0 v\u1eady l\u00e0 \u0111\u1ea1t.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 t\u01b0 duy u\u1ed1n kh\u00f4ng c\u00f3 ch\u1ea1m \u0111\u00e1y (air-bend).<\/p>\n\n\n\n

    \u0110\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft c\u00f3 tang t\u1ea1o khu\u00f4n, h\u00e3y x\u00e1c nh\u1eadn ba y\u1ebfu t\u1ed1 \u1edf s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean: g\u00f3c cu\u1ed1i c\u00f9ng, v\u1ecb tr\u00ed \u0111\u1eb7c tr\u01b0ng so v\u1edbi \u0111\u01b0\u1eddng u\u1ed1n, v\u00e0 d\u1ea5u v\u1ebft ti\u1ebfp x\u00fac tr\u00ean t\u01b0\u1eddng trong khoang. Nh\u1eefng v\u1ec7t n\u00e0y cho th\u1ea5y vi\u1ec7c t\u1ef3 kh\u00edt c\u00f3 \u0111\u1ec1u hay b\u1ecb l\u1ec7ch.<\/p>\n\n\n\n

    N\u1ebfu g\u00f3c \u0111\u00fang nh\u01b0ng v\u1ecb tr\u00ed \u0111\u1eb7c tr\u01b0ng b\u1ecb l\u1ec7ch, gi\u1ea3 \u0111\u1ecbnh K c\u1ee7a b\u1ea1n d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n r\u00e0ng bu\u1ed9c c\u00f3 th\u1ec3 sai \u2014 ho\u1eb7c ma s\u00e1t kh\u00f4ng \u0111\u00fang nh\u01b0 m\u00f4 ph\u1ecfng. N\u1ebfu d\u1ea5u ti\u1ebfp x\u00fac n\u1eb7ng v\u1ec1 m\u1ed9t ph\u00eda, vi\u1ec7c c\u0103n ch\u1ec9nh ho\u1eb7c b\u00f4i tr\u01a1n ch\u01b0a \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

    \u0110\u00e2y ch\u00ednh l\u00e0 n\u01a1i to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh g\u1eb7p th\u1ef1c t\u1ebf th\u00e9p.<\/p>\n\n\n\n

    L\u00e0m \u0111\u00fang \u0111i\u1ec1u n\u00e0y, b\u1ea1n bi\u1ebfn m\u1ed9t thi\u1ebft l\u1eadp mong manh th\u00e0nh h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. L\u00e0m sai, m\u1ed7i chu k\u1ef3 ch\u1ec9 khi\u1ebfn ph\u1ebf ph\u1ea9m t\u0103ng nhanh h\u01a1n.<\/p>\n\n\n\n

    V\u00e0 khi c\u0103n ch\u1ec9nh, ma s\u00e1t, v\u00e0 h\u00e0nh tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd, m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c xu\u1ea5t hi\u1ec7n \u2014 \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi ch\u00ednh v\u1eadt li\u1ec7u kh\u00f4ng c\u00f2n \u1ed5n \u0111\u1ecbnh gi\u1eefa c\u00e1c cu\u1ed9n kh\u00e1c nhau?<\/p>\n\n\n\n

    B\u01b0\u1edbc<\/th>N\u1ed9i dung<\/th><\/tr><\/thead>
    B\u01b0\u1edbc 1: \u0110\u1eb7t ch\u1ed1t v\u00e0 x\u00e1c minh s\u1ef1 c\u0103n ch\u1ec9nh khu\u00f4n<\/td>Tr\u01b0\u1edbc khi ch\u1ea1y v\u1eadt li\u1ec7u, h\u00e3y l\u1eafp ch\u1eb7t ho\u00e0n to\u00e0n tang v\u00e0o gi\u00e1 \u0111\u1ee1 v\u00e0 ki\u1ec3m tra m\u1eb7t khu\u00f4n so v\u1edbi \u0111\u01b0\u1eddng t\u00e2m ch\u00e0y. Kh\u00f4ng ph\u1ea3i nh\u00ecn b\u1eb1ng m\u1eaft. H\u00e3y \u0111o ch\u1ec9 th\u1ecb. B\u1ea1n c\u1ea7n t\u00ecm song song v\u00e0 c\u0103n gi\u1eefa theo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i l\u00e0m vi\u1ec7c, kh\u00f4ng ch\u1ec9 \u1edf m\u1ed9t \u0111\u1ea7u. M\u1ed9t khoang c\u00f3 th\u1ec3 vu\u00f4ng \u1edf b\u00ean tr\u00e1i v\u00e0 tr\u00f4i l\u1ec7ch \u1edf b\u00ean ph\u1ea3i n\u1ebfu gi\u00e1 \u0111\u1ee1 ho\u1eb7c b\u00e0n \u00e9p c\u00f3 b\u1ee5i b\u1ea9n, ba via ho\u1eb7c m\u00f4-men si\u1ebft kh\u00f4ng \u0111\u1ec1u \u1edf c\u00e1c k\u1eb9p. Th\u00e9p s\u1ea1ch quan tr\u1ecdng h\u01a1n ph\u1ea7n m\u1ec1m trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. N\u1ebfu tang kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp kh\u00edt, g\u00f3c d\u1eebng t\u00edch h\u1ee3p \u2014 g\u00f3c mang b\u00f9 \u0111\u00e0n h\u1ed3i \u2014 kh\u00f4ng \u1edf v\u1ecb tr\u00ed b\u1ea1n ngh\u0129. Khi \u0111\u00f3 \u201c\u0111\u1ed9 u\u1ed1n qu\u00e1 m\u1ee9c \u0111\u01b0\u1ee3c gia c\u00f4ng\u201d tr\u1edf th\u00e0nh bi\u1ebfn s\u1ed1 tr\u00f4i n\u1ed5i. V\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng nh\u1eadn ra \u0111i\u1ec1u \u0111\u00f3 cho \u0111\u1ebfn khi c\u00e1c chi ti\u1ebft b\u1ecb l\u1ec7ch chu\u1ea9n t\u00edch t\u1ee5 l\u1ea1i.<\/td><\/tr>
    B\u01b0\u1edbc 2: Hi\u1ec7u ch\u1ec9nh h\u00e0nh tr\u00ecnh ch\u00e0y cho \u0111\u1ed9 v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh<\/td>Sau khi \u0111\u00e3 x\u00e1c nh\u1eadn c\u0103n ch\u1ec9nh, h\u00e3y h\u1ea1 ch\u00e0y xu\u1ed1ng ch\u1ea1m nh\u1eb9 m\u00e0 kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u. Ki\u1ec3m tra \u0111\u1ed9 ti\u1ebfp x\u00fac \u0111\u1ec1u d\u1ecdc theo m\u1eb7t khoang b\u1eb1ng thanh c\u1ea3m bi\u1ebfn ho\u1eb7c gi\u1ea5y \u00e1p l\u1ef1c n\u1ebfu c\u00f3. B\u1ea1n kh\u00f4ng ki\u1ec3m tra g\u00f3c. B\u1ea1n \u0111ang ki\u1ec3m tra s\u1ef1 ph\u00e2n b\u1ed1 l\u1ef1c \u00e9p. Sau \u0111\u00f3 \u0111\u01b0a v\u1eadt li\u1ec7u v\u00e0o v\u00e0 th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ea7n \u00e9p c\u00f3 ki\u1ec3m so\u00e1t \u0111\u1ec3 x\u00e1c nh\u1eadn vi\u1ec7c t\u1ef3 kh\u00edt ho\u00e0n to\u00e0n v\u00e0o \u0111i\u1ec3m d\u1eebng t\u1ea1i l\u1ef1c \u00e9p \u0111\u00e3 t\u00ednh to\u00e1n. Theo d\u00f5i \u0111\u01b0\u1eddng cong t\u1ea3i n\u1ebfu m\u00e1y \u00e9p hi\u1ec3n th\u1ecb \u0111\u01b0\u1ee3c. \u0110\u01b0\u1eddng t\u0103ng \u0111\u1ec1u v\u00e0 \u0111o\u1ea1n b\u1eb1ng \u1ed5n \u0111\u1ecbnh cho th\u1ea5y b\u1ea1n gi\u1edbi h\u1ea1n l\u1ef1c ch\u00ednh x\u00e1c. M\u1ed9t \u0111\u1ec9nh nh\u1ecdn ho\u1eb7c t\u0103ng kh\u00f4ng \u0111\u1ec1u c\u00f3 th\u1ec3 b\u00e1o hi\u1ec7u ti\u1ebfp x\u00fac c\u1ee5c b\u1ed9 ho\u1eb7c t\u01b0\u1eddng b\u1ecb \u0103n kh\u1edbp s\u1edbm. H\u00e3y nh\u1edb \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi h\u00ecnh h\u1ecdc ph\u1ea3n l\u1ef1c m\u1ea1nh h\u01a1n: m\u00e1y \u00e9p ph\u1ea3i \u0111\u1ee7 kh\u1ea3 n\u0103ng truy\u1ec1n g\u00f3c khoang v\u00e0o chi ti\u1ebft. N\u1ebfu l\u1ef1c kh\u00f4ng \u0111\u1ee7, chi ti\u1ebft s\u1ebd b\u1eadt kh\u1ecfi \u0111i\u1ec3m d\u1eebng v\u00e0 b\u00e1o sai khi \u0111o tr\u00ean b\u00e0n. Gi\u00e1 tr\u1ecb \u0111\u1ed9 s\u00e2u kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec n\u1ebfu kh\u00f4ng c\u00f3 l\u1ef1c \u00e9p t\u01b0\u01a1ng \u1ee9ng.<\/td><\/tr>
    B\u01b0\u1edbc 3: X\u00e1c nh\u1eadn s\u1ea3n ph\u1ea9m \u0111\u1ea7u ti\u00ean v\u01b0\u1ee3t ngo\u00e0i ki\u1ec3m tra g\u00f3c<\/td>H\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng ch\u1ec9 \u0111o g\u00f3c r\u1ed3i cho l\u00e0 \u0111\u1ea1t. \u0110\u00f3 l\u00e0 ki\u1ec3u suy ngh\u0129 khi u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed. \u0110\u1ed1i v\u1edbi g\u00e1o \u0111\u00fac, h\u00e3y ki\u1ec3m tra ba y\u1ebfu t\u1ed1 tr\u00ean chi ti\u1ebft \u0111\u1ea7u ti\u00ean: g\u00f3c cu\u1ed1i c\u00f9ng, v\u1ecb tr\u00ed \u0111\u1eb7c tr\u01b0ng so v\u1edbi \u0111\u01b0\u1eddng u\u1ed1n, v\u00e0 d\u1ea5u ti\u1ebfp x\u00fac tr\u00ean th\u00e0nh b\u00ean trong khoang. Nh\u1eefng v\u1ebft ti\u1ebfp x\u00fac \u0111\u00f3 cho bi\u1ebft vi\u1ec7c t\u1ef1a c\u00f3 \u0111\u1ec1u hay b\u1ecb l\u1ec7ch. N\u1ebfu g\u00f3c \u0111\u00fang nh\u01b0ng \u0111\u1eb7c tr\u01b0ng b\u1ecb d\u1ecbch chuy\u1ec3n, gi\u1ea3 \u0111\u1ecbnh K c\u1ee7a b\u1ea1n d\u01b0\u1edbi r\u00e0ng bu\u1ed9c c\u00f3 th\u1ec3 sai \u2014 ho\u1eb7c ma s\u00e1t kh\u00f4ng \u0111\u00fang nh\u01b0 m\u00f4 h\u00ecnh. N\u1ebfu v\u1ebft ti\u1ebfp x\u00fac n\u1eb7ng v\u1ec1 m\u1ed9t ph\u00eda, th\u00ec c\u0103n ch\u1ec9nh ho\u1eb7c b\u00f4i tr\u01a1n ch\u01b0a \u1ed5n \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 l\u00fac to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng l\u1ea1i g\u1eb7p th\u1ef1c t\u1ebf th\u00e9p. L\u00e0m \u0111\u00fang, b\u1ea1n s\u1ebd bi\u1ebfn m\u1ed9t thi\u1ebft l\u1eadp m\u1ecfng manh th\u00e0nh h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i. L\u00e0m sai, m\u1ed7i chu k\u1ef3 ch\u1ec9 t\u1ea1o ph\u1ebf ph\u1ea9m nhanh h\u01a1n. V\u00e0 khi c\u0103n ch\u1ec9nh, ma s\u00e1t, v\u00e0 h\u00e0nh tr\u00ecnh \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c l\u1ea1i xu\u1ea5t hi\u1ec7n \u2014 \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi ch\u00ednh v\u1eadt li\u1ec7u kh\u00f4ng c\u00f2n h\u00e0nh x\u1eed gi\u1ed1ng nhau gi\u1eefa c\u00e1c cu\u1ed9n?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    G\u00f3t ch\u00e2n Achilles c\u1ee7a h\u00ecnh h\u1ecdc c\u1ed1 \u0111\u1ecbnh: Qu\u1ea3n l\u00fd \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u00e0 s\u1ef1 m\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5<\/h2>\n\n\n\n

    B\u1ea1n \u0111\u00e3 \u0111i\u1ec1u ch\u1ec9nh m\u1ecdi th\u1ee9. \u0110\u00e3 c\u0103n khu\u00f4n. Ki\u1ec3m tra vi\u1ec7c t\u1ef1a \u0111\u00fang v\u1ecb tr\u00ed. C\u1ed1 \u0111\u1ecbnh d\u1ea7u b\u00f4i tr\u01a1n nh\u01b0 m\u1ed9t k\u00edch th\u01b0\u1edbc. Cu\u1ed9n \u0111\u1ea7u ti\u00ean ch\u1ea1y ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i.<\/p>\n\n\n\n

    Cu\u1ed9n th\u1ee9 hai \u0111\u1ebfn. Th\u00f4ng s\u1ed1 tr\u00ean gi\u1ea5y gi\u1ed1ng nhau: th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 16 gauge. B\u1ea1n ch\u1ea1m \u0111i\u1ec3m d\u1eebng, \u0111\u1ee7 l\u1ef1c, \u0111\u01b0\u1eddng cong t\u1ea3i s\u1ea1ch. Nh\u01b0ng n\u00f3 l\u1ea1i m\u1edf ra th\u00e0nh g\u00f3c 62\u00b0.<\/p>\n\n\n\n

    Kh\u00f4ng c\u00f3 g\u00ec d\u1ecbch chuy\u1ec3n tr\u00ean m\u00e1y. H\u00ecnh h\u1ecdc kh\u00f4ng thay \u0111\u1ed5i. V\u1eady \u0111i\u1ec1u g\u00ec \u0111\u00e3 thay \u0111\u1ed5i?<\/p>\n\n\n\n

    Khi b\u1ea1n u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, b\u1ea1n c\u00f3 kh\u00f4ng gian \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh. \u0110\u1ed9 s\u00e2u thay \u0111\u1ed5i g\u00f3c. V\u1eadt li\u1ec7u quay tr\u00ean hai vai. N\u1ebfu \u0111\u1ed9 d\u00e0y dao \u0111\u1ed9ng v\u00e0i ph\u1ea7n ngh\u00ecn, b\u1ea1n ch\u1ec9 c\u1ea7n ch\u1ec9nh ch\u00e0y xu\u1ed1ng v\u00e0 ti\u1ebfp t\u1ee5c. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n g\u00e1nh m\u1ed9t ph\u1ea7n tr\u00e1ch nhi\u1ec7m.<\/p>\n\n\n\n

    C\u00f4ng c\u1ee5 g\u00e1o \u0111\u00fac kh\u00f4ng cho b\u1ea1n tay l\u00e1i \u0111\u00f3. Khoang \u0111\u1ecbnh h\u00ecnh quy\u1ebft \u0111\u1ecbnh g\u00f3c. Ch\u1ed1t d\u1eebng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t. Khi d\u1ee5ng c\u1ee5 ch\u00ednh l\u00e0 to\u00e1n h\u1ecdc, m\u1ecdi thay \u0111\u1ed5i v\u1ec1 v\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea7y khoang \u0111\u00f3 s\u1ebd tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

    \u0110\u00f3 ch\u00ednh l\u00e0 g\u00f3t ch\u00e2n Achilles.<\/p>\n\n\n\n

    T\u1ea1i sao \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u l\u00e0 m\u1ed1i \u0111e d\u1ecda ch\u00ednh \u0111\u1ed1i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a g\u00e1o \u0111\u00fac<\/h3>\n\n\n\n

    T\u00f4i \u0111\u00e3 th\u1ea5y m\u1ed9t m\u00e1y \u00e9p ch\u00ednh x\u00e1c g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 \u0111\u1ed9 d\u00e0y thay \u0111\u1ed5i 0,003 inch t\u1eeb m\u00e9p \u0111\u1ebfn gi\u1eefa. Gi\u1eefa d\u00e0y h\u01a1n, m\u00e9p m\u1ecfng h\u01a1n. Kh\u00f4ng c\u00f3 quy lu\u1eadt n\u00e0o \u0111\u1ec3 b\u1ea1n s\u1eeda b\u1eb1ng c\u00e1ch \u0111\u01a1n gi\u1ea3n ki\u1ec3u \u201chai ph\u1ea7n ngh\u00ecn t\u01b0\u01a1ng \u0111\u01b0\u01a1ng hai \u0111\u1ed9.\u201d D\u1ecdc theo c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng u\u1ed1n, m\u1ed9t \u0111o\u1ea1n b\u1ecb u\u1ed1n thi\u1ebfu c\u00f2n \u0111o\u1ea1n kia th\u00ec \u00e9p qu\u00e1.<\/p>\n\n\n\n

    Trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, s\u1ef1 b\u1ea5t nh\u1ea5t \u0111\u00f3 ph\u1ea7n n\u00e0o \u0111\u01b0\u1ee3c trung b\u00ecnh l\u1ea1i. T\u1ea5m kim lo\u1ea1i ti\u1ebfp x\u00fac t\u1ea1i ba \u0111i\u1ec3m. Ph\u1ea7n d\u00e0y h\u01a1n ch\u1ed1ng xuy\u00ean m\u1ea1nh h\u01a1n, n\u00ean b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u ho\u1eb7c \u0111\u1ec3 h\u1ec7 th\u1ed1ng hi\u1ec7u ch\u1ec9nh g\u00f3c x\u1eed l\u00fd m\u1ed9t ch\u00fat. Kh\u00f4ng ho\u00e0n h\u1ea3o, nh\u01b0ng c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n\n\n\n

    Gi\u1edd h\u00e3y \u0111\u1eb7t c\u00f9ng t\u1ea5m \u0111\u00f3 v\u00e0o khoang g\u00e1o \u0111\u00fac.<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng c\u00f2n u\u1ed1n gi\u1eefa c\u00e1c \u0111i\u1ec3m n\u1eefa. B\u1ea1n \u0111ang \u0111\u1ea9y v\u1eadt li\u1ec7u v\u00e0o m\u1ed9t th\u1ec3 t\u00edch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. N\u1ebfu t\u1ea5m d\u00e0y h\u01a1n 0,003 inch \u1edf gi\u1eefa, n\u00f3 s\u1ebd ch\u1ea1m th\u00e0nh khoang s\u1edbm h\u01a1n. \u00c1p su\u1ea5t ti\u1ebfp x\u00fac t\u0103ng \u0111\u1ed9t ng\u1ed9t t\u1ea1i \u0111\u00f3. Ma s\u00e1t t\u0103ng l\u00ean ngay t\u1ea1i \u0111i\u1ec3m \u0111\u00f3. \u0110i\u1ec1u n\u00e0y l\u00e0m d\u1ecbch tr\u1ee5c trung h\u00f2a kh\u00e1c \u0111i, v\u00e0 thay \u0111\u1ed5i h\u1ec7 s\u1ed1 K hi\u1ec7u qu\u1ea3 d\u1ecdc theo chi\u1ec1u d\u00e0i.<\/p>\n\n\n\n

    V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n m\u00e0 \u0111a s\u1ed1 ng\u01b0\u1eddi b\u1ecf s\u00f3t: ch\u1ed1t d\u1eebng kh\u00f4ng bi\u1ebft g\u00ec v\u1ec1 chuy\u1ec7n \u0111\u00f3. N\u00f3 ch\u1ec9 \u201cn\u00f3i\u201d r\u1eb1ng: \u201c\u0110\u00e2y l\u00e0 g\u00f3c.\u201d<\/p>\n\n\n\n

    V\u00ec th\u1ebf ph\u1ea7n d\u00e0y h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng bao gi\u1edd t\u1ef1a ho\u00e0n to\u00e0n v\u00e0o m\u1eb7t u\u1ed1n v\u01b0\u1ee3t trong khi m\u00e9p m\u1ecfng th\u00ec c\u00f3. K\u1ebft qu\u1ea3 l\u00e0 b\u1ea1n c\u00f3 m\u1ed9t chi ti\u1ebft tr\u00f4ng \u1ed5n \u1edf m\u1ed9t \u0111\u1ea7u nh\u01b0ng \u0111\u00e1nh l\u1eeba b\u1ea1n \u1edf \u0111\u1ea7u kia.<\/p>\n\n\n\n

    Ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf: T\u00f4i \u0111\u00e3 th\u1ea5y \u0111i\u1ec1u n\u00e0y khi\u1ebfn h\u1ecfng c\u1ea3 m\u1ed9t l\u00f4 $50k. B\u1ea3n v\u1ebd y\u00eau c\u1ea7u \u0111\u1ed9 \u0111\u1ed1i x\u1ee9ng tang ch\u1eb7t ch\u1ebd. Ch\u1ee9ng nh\u1eadn v\u1eadt li\u1ec7u ghi \u201ctrong dung sai.\u201d Cu\u1ed9n \u0111\u00f3 h\u1ee3p l\u1ec7. C\u00e1c chi ti\u1ebft th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

    V\u1edbi h\u00ecnh h\u1ecdc c\u1ed1 \u0111\u1ecbnh, dung sai \u0111\u1ed9 d\u00e0y kh\u00f4ng c\u00f2n l\u00e0 ghi ch\u00fa mua h\u00e0ng m\u00e0 tr\u1edf th\u00e0nh bi\u1ebfn s\u1ed1 trong t\u1ea1o h\u00ecnh. Mu\u1ed1n \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a g\u00e1o \u0111\u00fac? Th\u00ec \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111\u1ed9 d\u00e0y \u0111\u1ea7u v\u00e0o ph\u1ea3i kh\u1eaft khe h\u01a1n nhi\u1ec1u so v\u1edbi y\u00eau c\u1ea7u trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed. N\u1ebfu kh\u00f4ng, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ea5u l\u1ea1i kim lo\u1ea1i b\u00ean trong m\u1ed9t khoang m\u00e0 kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n\n\n\n

    V\u1eady n\u1ebfu \u0111\u1ed9 d\u00e0y l\u00e0 m\u1ed9t tr\u1ee5c bi\u1ebfn thi\u00ean, c\u00f2n d\u00f2ng ch\u1ea3y c\u1ee7a kim lo\u1ea1i th\u00ec sao?<\/p>\n\n\n\n

    B\u00f9 tr\u1eeb h\u01b0\u1edbng th\u1edb kim lo\u1ea1i: t\u1ea1i sao d\u1ee5ng c\u1ee5 \u0111\u00fac ph\u1ea3n \u1ee9ng kh\u00e1c nhau v\u1edbi h\u01b0\u1edbng v\u1eadt li\u1ec7u<\/h3>\n\n\n\n

    L\u1ea5y hai ph\u00f4i t\u1eeb c\u00f9ng m\u1ed9t t\u1ea5m. M\u1ed9t c\u00e1i c\u1eaft v\u1edbi \u0111\u01b0\u1eddng u\u1ed1n song song h\u01b0\u1edbng c\u00e1n, c\u00e1i kia vu\u00f4ng g\u00f3c. C\u00f9ng \u0111\u1ed9 d\u00e0y. C\u00f9ng h\u1ee3p kim. C\u00f9ng thi\u1ebft l\u1eadp.<\/p>\n\n\n\n

    Song song v\u1edbi th\u1edb v\u1eadt li\u1ec7u th\u01b0\u1eddng u\u1ed1n d\u1ec5 h\u01a1n. U\u1ed1n vu\u00f4ng g\u00f3c s\u1ebd kh\u00f3 h\u01a1n. \u0110\u00f3 l\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 luy\u1ec7n kim \u2014 c\u00e1n ngu\u1ed9i l\u00e0m k\u00e9o d\u00e0i c\u00e1c h\u1ea1t, v\u00e0 khi u\u1ed1n ngang qua ch\u00fang ngh\u0129a l\u00e0 b\u1ea1n \u0111ang k\u00e9o c\u0103ng qua nhi\u1ec1u ranh gi\u1edbi h\u01a1n. Gi\u1edbi h\u1ea1n ch\u1ea3y th\u1ef1c t\u1ebf thay \u0111\u1ed5i theo h\u01b0\u1edbng s\u1eafp x\u1ebfp h\u1ea1t.<\/p>\n\n\n\n

    Trong u\u1ed1n t\u1ef1 do b\u1eb1ng kh\u00f4ng kh\u00ed, b\u1ea1n s\u1ebd c\u1ea3m nh\u1eadn s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 qua \u0111\u1ed9 h\u1ed3i l\u00f2 xo. B\u1ea1n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u ho\u1eb7c g\u00f3c. Xong.<\/p>\n\n\n\n

    Trong m\u1ed9t khoang t\u00f4i \u0111\u00fac t\u1ea1o h\u00ecnh chu\u00f4i, c\u00e2u chuy\u1ec7n l\u1ea1i kh\u00e1c v\u00ec v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 t\u1ef1 t\u00ecm b\u00e1n k\u00ednh c\u1ee7a n\u00f3. B\u00e1n k\u00ednh b\u00ean trong ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc c\u1ee7a khoang. Trong u\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed, \u0111\u1ed9 h\u1ed3i l\u00f2 xo ph\u1ea7n l\u1edbn ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh b\u00ean trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 xuy\u00ean s\u00e2u. \u1ede \u0111\u00e2y, \u0111\u1ed9 xuy\u00ean s\u00e2u \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1edfi \u0111i\u1ec3m d\u1eebng, v\u00e0 b\u00e1n k\u00ednh b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi khu\u00f4n.<\/p>\n\n\n\n

    V\u00ec v\u1eady, khi b\u1ea1n xoay h\u01b0\u1edbng h\u1ea1t v\u00e0 gi\u1edbi h\u1ea1n ch\u1ea3y thay \u0111\u1ed5i, kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i vi\u1ec7c b\u1ecb \u00e9p v\u00e0o b\u00e1n k\u00ednh c\u1ed1 \u0111\u1ecbnh \u0111\u00f3 c\u1ee7a v\u1eadt li\u1ec7u c\u0169ng thay \u0111\u1ed5i. Chuy\u1ec7n g\u00ec x\u1ea3y ra khi h\u00ecnh d\u1ea1ng \u0111\u1ea9y ng\u01b0\u1ee3c l\u1ea1i m\u1ea1nh h\u01a1n? Ho\u1eb7c b\u1ea1n kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c \u00e9p \u0111\u1ea7y \u0111\u1ee7 \u2014 ngh\u0129a l\u00e0 kh\u00f4ng ho\u00e0n to\u00e0n kh\u1edbp v\u1edbi khoang \u2014 ho\u1eb7c b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u00f3 v\u1edbi \u1ee9ng su\u1ea5t cao b\u1ecb kh\u00f3a trong chi ti\u1ebft.<\/p>\n\n\n\n

    T\u00f4i \u0111\u00e3 th\u1ea5y b\u1ed9 d\u1ee5ng c\u1ee5 chu\u00f4i gi\u1ed1ng h\u1ec7t nhau ch\u1ea1y th\u00e9p cacbon m\u1ec1m c\u1ea3 tu\u1ea7n, r\u1ed3i chuy\u1ec3n sang inox m\u00e0 kh\u00f4ng xem l\u1ea1i y\u1ebfu t\u1ed1 khoang. Inox b\u1ecb h\u00f3a b\u1ec1n nhanh h\u01a1n. N\u00f3 c\u1ea7n b\u00e1n k\u00ednh b\u00ean trong l\u1edbn h\u01a1n \u2014 kho\u1ea3ng 10\u201312 l\u1ea7n chi\u1ec1u d\u00e0y trong l\u1ef1a ch\u1ecdn khu\u00f4n truy\u1ec1n th\u1ed1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i 8. N\u1ebfu khoang \u0111\u00fac c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean d\u00f2ng ch\u1ea3y c\u1ee7a th\u00e9p cacbon m\u1ec1m, th\u00ec inox s\u1ebd ho\u1eb7c ch\u1ed1ng l\u1ea1i \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y ho\u1eb7c s\u1ebd n\u1ee9t t\u1ea1i g\u00f3c.<\/p>\n\n\n\n

    Kh\u00f4ng c\u00f3 khoang n\u00e0o mang t\u00ednh \u201cph\u1ed5 qu\u00e1t\u201d c\u00f3 th\u1ec3 b\u1ecf qua h\u1ee3p kim v\u00e0 h\u01b0\u1edbng h\u1ea1t. N\u1ebfu b\u1ea1n kh\u00f4ng b\u00f9 tr\u01b0\u1edbc h\u00ecnh h\u1ecdc cho h\u00e0nh vi d\u00f2ng ch\u1ea3y c\u1ee5 th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u, b\u1ea1n s\u1ebd l\u1ea1i ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh h\u00e0nh tr\u00ecnh m\u00e0 v\u1eabn kh\u00f4ng th\u1ef1c s\u1ef1 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng bi\u1ebfn d\u1ea1ng.<\/p>\n\n\n\n

    V\u00ec v\u1eady b\u1ea1n c\u1ed1 \u0111\u1ecbnh chi\u1ec1u d\u00e0y. B\u1ea1n ki\u1ec3m so\u00e1t h\u01b0\u1edbng h\u1ea1t tr\u00ean t\u1ea5m ph\u1eb3ng. B\u1ea1n thi\u1ebft k\u1ebf khoang ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i h\u1ee3p kim, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 theo \u0111\u1ed9 d\u00e0y danh \u0111\u1ecbnh.<\/p>\n\n\n\n

    Gi\u1ea3 s\u1eed b\u1ea1n \u0111\u00e3 l\u00e0m h\u1ebft nh\u1eefng \u0111i\u1ec1u \u0111\u00f3.<\/p>\n\n\n\n

    Chuy\u1ec7n g\u00ec x\u1ea3y ra sau n\u0103m m\u01b0\u01a1i ngh\u00ecn l\u1ea7n d\u1eadp?<\/p>\n\n\n\n

    Khi \u201ch\u00ecnh d\u1ea1ng ho\u00e0n h\u1ea3o\u201d b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng: chu k\u1ef3 b\u1ea3o tr\u00ec v\u00e0 m\u00e0i m\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5<\/h3>\n\n\n\n

    Nh\u1eefng chi ti\u1ebft \u0111\u1ea7u ti\u00ean t\u1eeb b\u1ed9 khu\u00f4n chu\u00f4i m\u1edbi th\u1eadt \u0111\u00e1ng m\u00ea m\u1ea9n. \u0110\u01b0\u1eddng ti\u1ebfp x\u00fac s\u1eafc n\u00e9t. Ng\u1ed3i kh\u1edbp s\u1ea1ch s\u1ebd. G\u00f3c ch\u00ednh x\u00e1c v\u00ec m\u1eb7t khoang v\u1eabn gi\u1eef g\u00f3c u\u1ed1n gia c\u00f4ng qu\u00e1 \u2014 c\u00f3 th\u1ec3 c\u1eaft \u1edf 88\u00b0 \u0111\u1ec3 chi ti\u1ebft h\u1ed3i l\u00f2 xo v\u1ec1 90\u00b0.<\/p>\n\n\n\n

    Ch\u1ea1y \u0111\u1ee7 l\u00e2u, \u0111\u1eb7c bi\u1ec7t v\u1edbi inox c\u01b0\u1eddng \u0111\u1ed9 cao, c\u00e1c c\u1ea1nh khoang s\u1ebd b\u00f3ng l\u00ean. R\u1ed3i ch\u00fang bo tr\u00f2n. Ban \u0111\u1ea7u ch\u1ec9 v\u00e0i micron. Sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

    B\u1ea1n s\u1ebd kh\u00f4ng th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng. Nh\u01b0ng b\u1ea1n s\u1ebd th\u1ea5y tr\u00ean s\u1ea3n ph\u1ea9m. Ch\u00fang b\u1eaft \u0111\u1ea7u h\u01a1i m\u1edf ra. Kh\u00f4ng sai l\u1ec7ch qu\u00e1 m\u1ee9c. Ch\u1ec9 h\u01a1i tr\u00f4i \u0111i.<\/p>\n\n\n\n

    H\u00e3y nh\u1edb r\u1eb1ng, trong h\u1ec7 th\u1ed1ng n\u00e0y g\u00f3c n\u1eb1m trong th\u00e9p c\u1ee7a khu\u00f4n. N\u1ebfu m\u1eb7t u\u1ed1n qu\u00e1 m\u00f2n t\u1eeb 88\u00b0 v\u1ec1 89\u00b0, b\u1ea1n v\u1eeba l\u00e0m gi\u1ea3m vi\u1ec7c b\u00f9 h\u1ed3i l\u00f2 xo t\u00edch h\u1ee3p s\u1eb5n. M\u00e1y \u00e9p v\u1eabn ch\u1ea1m \u0111i\u1ec3m d\u1eebng nh\u01b0 c\u0169. \u0110\u01b0\u1eddng cong t\u1ea3i v\u1eabn tr\u00f4ng \u1ed5n. Nh\u01b0ng h\u00ecnh h\u1ecdc \u0111\u00e3 thay \u0111\u1ed5i.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 m\u1eb7t t\u1ed1i c\u1ee7a c\u00e2u n\u00f3i \u201cd\u1ee5ng c\u1ee5 ch\u00ednh l\u00e0 to\u00e1n h\u1ecdc.\u201d To\u00e1n h\u1ecdc c\u00f3 th\u1ec3 b\u1ecb m\u00f2n.<\/p>\n\n\n\n

    S\u1ef1 m\u00f2n c\u0169ng thay \u0111\u1ed5i h\u00e0nh vi ma s\u00e1t. C\u00e1c m\u1eb7t t\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng c\u00f3 th\u1ec3 gi\u1ea3m l\u1ef1c k\u00e9o, cho ph\u00e9p v\u1eadt li\u1ec7u k\u00e9o v\u00e0o nhi\u1ec1u h\u01a1n m\u1ed9t ch\u00fat tr\u01b0\u1edbc khi \u00e9p ho\u00e0n to\u00e0n. \u0110i\u1ec1u \u0111\u00f3 l\u1ea1i thay \u0111\u1ed5i ph\u00e2n b\u1ed1 bi\u1ebfn d\u1ea1ng, l\u00e0m d\u1ecbch h\u1ec7 s\u1ed1 K hi\u1ec7u d\u1ee5ng m\u00e0 kh\u00f4ng ai ch\u1ec9nh con s\u1ed1 tr\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/p>\n\n\n\n

    U\u1ed1n b\u1eb1ng kh\u00f4ng kh\u00ed c\u00f3 th\u1ec3 ch\u1ecbu s\u1ef1 m\u00f2n c\u1ee7a d\u1ee5ng c\u1ee5 \u1edf m\u1ee9c n\u00e0o \u0111\u00f3 v\u00ec g\u00f3c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111\u1ed9 s\u00e2u. T\u1ea1o h\u00ecnh chu\u00f4i \u0111\u00fac th\u00ec \u00edt d\u1ec5 d\u00e3i h\u01a1n. B\u1ea1n c\u1ea7n chu k\u1ef3 ki\u1ec3m tra m\u00f2n g\u1eafn li\u1ec1n v\u1edbi s\u1ed1 l\u1ea7n d\u1eadp v\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u. \u0110o g\u00f3c khoang \u0111\u1ecbnh k\u1ef3. Qu\u00e9t xanh m\u1eb7t \u0111\u1ec3 ki\u1ec3m tra v\u00f9ng ti\u1ebfp x\u00fac. Xem vi\u1ec7c m\u00e0i l\u1ea1i nh\u01b0 m\u1ed9t thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc c\u1ea7n x\u00e1c nh\u1eadn l\u1ea1i m\u1eabu ph\u1eb3ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec.<\/p>\n\n\n\n

    N\u1ebfu d\u1ee5ng c\u1ee5 n\u1eafm gi\u1eef \u0111\u1ed9 ch\u00ednh x\u00e1c, th\u00ec tu\u1ed5i th\u1ecd d\u1ee5ng c\u1ee5, ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o v\u00e0 k\u1ef7 lu\u1eadt v\u1ec1 h\u01b0\u1edbng h\u1ea1t kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ee5. Ch\u00fang ch\u00ednh l\u00e0 qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n

    V\u00e0 \u0111i\u1ec1u \u0111\u00f3 \u0111\u1eb7t ra c\u00e2u h\u1ecfi l\u1edbn m\u00e0 m\u1ecdi x\u01b0\u1edfng cu\u1ed1i c\u00f9ng s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t: li\u1ec7u m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t n\u00e0y \u2014 v\u1ec1 v\u1eadt li\u1ec7u, d\u1ee5ng c\u1ee5 v\u00e0 ki\u1ec3m tra \u2014 c\u00f3 x\u1ee9ng \u0111\u00e1ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0 t\u1ea1o h\u00ecnh chu\u00f4i \u0111\u00fac mang l\u1ea1i?<\/p>\n\n\n\n

    Thay \u0111\u1ed5i m\u00f4 h\u00ecnh t\u01b0 duy: V\u00ec sao d\u1ee5ng c\u1ee5, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, n\u1eafm gi\u1eef \u0111\u1ed9 ch\u00ednh x\u00e1c<\/h2>\n\n\n\n

    B\u1ea1n \u0111ang \u0111\u1eb7t \u0111\u00fang c\u00e2u h\u1ecfi: to\u00e0n b\u1ed9 vi\u1ec7c ki\u1ec3m so\u00e1t th\u01b0\u1ee3ng ngu\u1ed3n v\u00e0 ch\u0103m ch\u00fat h\u1ea1 ngu\u1ed3n n\u00e0y c\u00f3 \u0111\u00e1ng kh\u00f4ng?<\/p>\n\n\n\n

    \u0110\u00e2y l\u00e0 ph\u1ea7n kh\u00f4ng d\u1ec5 th\u1ea5y. Trong c\u00f4ng vi\u1ec7c v\u1edbi tang \u0111\u00fac, b\u1ea1n kh\u00f4ng mua c\u00e1c g\u00f3c ch\u00ednh x\u00e1c h\u01a1n \u2014 b\u1ea1n \u0111ang mua quy\u1ec1n \u0111\u01b0\u1ee3c ng\u1eebng \u0111i\u1ec1u ch\u1ec9nh ch\u00fang.<\/p>\n\n\n\n

    Trong u\u1ed1n kh\u00ed, b\u1ea1n s\u1ed1ng b\u00ean m\u00e0n h\u00ecnh. Chi ti\u1ebft ra 91\u00b0 thay v\u00ec 90\u00b0? \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e2u. Cu\u1ed9n v\u1eadt li\u1ec7u kh\u00e1c? T\u0103ng b\u00f9 tr\u1eeb. B\u1ea1n \u0111ang l\u00e1i m\u1ed9t r\u01a1-mo\u00f3c l\u1ecfng b\u1eb1ng tay l\u00e1i, ch\u1ec9nh t\u1eebng l\u1ea7n l\u1ec7ch. C\u00e1ch \u0111\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u00ec g\u00f3c l\u00e0 h\u00e0m c\u1ee7a \u0111\u1ed9 xuy\u00ean v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. Trong u\u1ed1n kh\u00ed, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o b\u00e1n k\u00ednh b\u00ean trong, \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean. B\u1ea1n ki\u1ec3m so\u00e1t \u0111\u1ed9 xuy\u00ean, n\u00ean b\u1ea1n ki\u1ec3m so\u00e1t g\u00f3c.<\/p>\n\n\n\n

    D\u1ee5ng c\u1ee5 tang \u0111\u00fac s\u1ebd gi\u1eadt tay l\u00e1i \u0111\u00f3 ra kh\u1ecfi tay b\u1ea1n.<\/p>\n\n\n\n

    Khoang l\u00e0 g\u00f3c. \u0110i\u1ec3m d\u1eebng l\u00e0 \u0111\u1ed9 s\u00e2u. \u0110\u1ed9 u\u1ed1n qu\u00e1 m\u1ee9c \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng s\u1eb5n. N\u1ebfu d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c c\u1eaft \u1edf g\u00f3c 88\u00b0 \u0111\u1ec3 chi ti\u1ebft \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i 90\u00b0, th\u00ec quy\u1ebft \u0111\u1ecbnh \u0111\u00f3 \u0111\u00e3 b\u1ecb \u201c\u0111\u00f3ng b\u0103ng\u201d trong th\u00e9p. Khi n\u00f3 ho\u1ea1t \u0111\u1ed9ng, n\u00f3 ho\u1ea1t \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n tr\u00f4ng nom. Khi n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, b\u1ea1n kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh \u2014 b\u1ea1n thi\u1ebft k\u1ebf l\u1ea1i. \u0110\u00f3 l\u00e0 s\u1ef1 thay \u0111\u1ed5i t\u01b0 duy m\u00e0 h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng kh\u00f4ng bao gi\u1edd th\u1ef1c hi\u1ec7n tr\u1ecdn v\u1eb9n.<\/p>\n\n\n\n

    V\u1eady c\u00e2u h\u1ecfi th\u1eadt kh\u00f4ng ph\u1ea3i l\u00e0 \u201cN\u00f3 c\u00f3 ch\u00ednh x\u00e1c h\u01a1n kh\u00f4ng?\u201d m\u00e0 l\u00e0 \u201cT\u00f4i c\u00f3 mu\u1ed1n \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n trong th\u00e9p, thay v\u00ec \u0111\u01b0\u1ee3c ch\u1ec9nh tay l\u00fac 10:37 s\u00e1ng b\u1edfi ng\u01b0\u1eddi \u0111ang l\u00e0m ca?\u201d<\/p>\n\n\n\n

    Chuy\u1ec3n t\u1eeb \u201c\u0111u\u1ed5i theo c\u00e1c g\u00f3c\u201d sang \u201cthi\u1ebft k\u1ebf c\u00e1c \u0111o\u1ea1n u\u1ed1n\u201d<\/h3>\n\n\n\n

    \u0110u\u1ed5i theo c\u00e1c g\u00f3c l\u00e0 ph\u1ea3n \u1ee9ng. Thi\u1ebft k\u1ebf c\u00e1c \u0111o\u1ea1n u\u1ed1n l\u00e0 ch\u1ee7 \u0111\u1ed9ng.<\/p>\n\n\n\n

    Khi b\u1ea1n \u0111u\u1ed5i theo, b\u1ea1n \u0111ang ph\u1ea3n \u1ee9ng v\u1edbi nh\u1eefng g\u00ec v\u1eeba ra kh\u1ecfi m\u00e1y u\u1ed1n c\u00e1ch \u0111\u00e2y n\u0103m ph\u00fat. Khi b\u1ea1n thi\u1ebft k\u1ebf, b\u1ea1n \u0111ang quy\u1ebft \u0111\u1ecbnh \u2014 tr\u01b0\u1edbc khi d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c c\u1eaft \u2014 tr\u1ee5c trung h\u00f2a s\u1ebd l\u00e0m g\u00ec, v\u1eadt li\u1ec7u s\u1ebd m\u1ecfng \u0111\u1ebfn \u0111\u00e2u, h\u1ea1t kim lo\u1ea1i s\u1ebd ph\u1ea3n \u1ee9ng th\u1ebf n\u00e0o trong b\u00e1n k\u00ednh c\u1ed1 \u0111\u1ecbnh. Ngh\u0129a l\u00e0 h\u1ec7 s\u1ed1 K c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 con s\u1ed1 trong s\u1ed5 tay n\u1eefa. N\u00f3 l\u00e0 h\u1eb1ng s\u1ed1 h\u00ecnh h\u1ecdc g\u1eafn li\u1ec1n v\u1edbi khoang \u0111\u00f3.<\/p>\n\n\n\n

    V\u00e0 \u0111\u00f3 l\u00e0 n\u01a1i h\u1ea7u h\u1ebft c\u00e1c x\u01b0\u1edfng v\u1ea5p ng\u00e3.<\/p>\n\n\n\n

    H\u1ecd c\u1eaft d\u1ee5ng c\u1ee5 tang \u0111\u00fac d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y danh \u0111\u1ecbnh v\u00e0 h\u1ec7 s\u1ed1 K \u201c\u0111i\u1ec3n h\u00ecnh,\u201d r\u1ed3i hy v\u1ecdng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 x\u1eed l\u00fd nh\u1eefng g\u00ec sai l\u1ec7ch. Nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3. T\u00f4i \u0111\u00e3 th\u1ea5y vi\u1ec7c n\u00e0y lo\u1ea1i b\u1ecf c\u1ea3 m\u1ed9t l\u00f4 $50k. M\u1ed9t khi khoang b\u1ecb sai, m\u1ed7i c\u00fa d\u1eadp \u0111\u1ec1u sai \u2014 sai m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

    Ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf: n\u1ebfu th\u1ee3 l\u00e0m d\u1ee5ng c\u1ee5 b\u1ecf qua vi\u1ec7c ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh dao c\u1eaft tr\u01b0\u1edbc khi ho\u00e0n thi\u1ec7n khoang, ho\u1eb7c dung sai m\u00e0i t\u1eeb \u0111\u1ed9 ch\u00ednh x\u00e1c cao th\u1ef1c s\u1ef1 tr\u01b0\u1ee3t xu\u1ed1ng m\u1ee9c \u201ct\u1ea1m \u1ed5n,\u201d b\u1ea1n \u0111\u00e3 n\u01b0\u1edbng l\u1ed7i v\u00e0o th\u1ee9 duy nh\u1ea5t quy\u1ebft \u0111\u1ecbnh g\u00f3c. B\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh n\u00f3 sau \u0111\u00f3. D\u1ee5ng c\u1ee5 kh\u00f4ng quan t\u00e2m \u0111\u1ebfn nh\u1eefng g\u00ec b\u1ed9 \u0111i\u1ec1u khi\u1ec3n n\u00f3i.<\/p>\n\n\n\n

    V\u00ec v\u1eady, thi\u1ebft k\u1ebf c\u00e1c \u0111o\u1ea1n u\u1ed1n c\u00f3 ngh\u0129a l\u00e0 \u0111\u01b0a ki\u1ec3m so\u00e1t v\u1eadt li\u1ec7u, dung sai ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 v\u00e0 to\u00e1n h\u1ecdc ph\u00f4i ph\u1eb3ng v\u00e0o c\u00f9ng m\u1ed9t ph\u00f2ng tr\u01b0\u1edbc khi c\u1eaft th\u00e9p. Ban \u0111\u1ea7u s\u1ebd ch\u1eadm h\u01a1n. Kh\u1eaft khe h\u01a1n. V\u00e0 n\u00f3 bu\u1ed9c ph\u1ea3i \u0111\u1eb7t ra m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c \u2014 khi n\u00e0o s\u1ef1 \u0111au \u0111\u1edbn \u0111\u00f3 l\u00e0 h\u1ee3p l\u00fd?<\/p>\n\n\n\n

    B\u00e0i ki\u1ec3m tra quy\u1ebft \u0111\u1ecbnh: khi n\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a tang \u0111\u00fac \u0111\u00e1ng v\u1edbi chi ph\u00ed l\u00e0m d\u1ee5ng c\u1ee5 t\u00f9y ch\u1ec9nh?<\/h3>\n\n\n\n

    \u0110\u00e2y l\u00e0 b\u00e0i ki\u1ec3m tra t\u00f4i d\u00e0nh cho kh\u00e1ch h\u00e0ng.<\/p>\n\n\n\n

    \u0110\u1ea7u ti\u00ean: kh\u1ed1i l\u01b0\u1ee3ng. N\u1ebfu b\u1ea1n ch\u1ec9 s\u1ea3n xu\u1ea5t v\u00e0i tr\u0103m chi ti\u1ebft m\u1ed7i n\u0103m, d\u1ee5ng c\u1ee5 tang \u0111\u00fac ch\u1eb3ng kh\u00e1c n\u00e0o mua \u0111\u1ed9ng c\u01a1 \u0111ua cho xe giao h\u00e0ng. B\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 ho\u00e0n v\u1ed1n cho s\u1ef1 k\u1ef7 lu\u1eadt m\u00e0 n\u00f3 y\u00eau c\u1ea7u.<\/p>\n\n\n\n

    Th\u1ee9 hai: ch\u1ed3ng dung sai. N\u1ebfu g\u00f3c tang ki\u1ec3m so\u00e1t khe h\u1edf m\u1ed1i h\u00e0n, \u0111\u1ed9 n\u00e9n gio\u0103ng, ho\u1eb7c kho\u1ea3ng l\u1eafp r\u00e1p c\u1ee7a robot \u1edf c\u00f4ng \u0111o\u1ea1n sau, v\u00e0 hi\u1ec7n t\u1ea1i b\u1ea1n \u0111ang t\u1ed1n c\u00f4ng lao \u0111\u1ed9ng \u0111\u1ec3 ch\u1ec9nh g\u00f3c v\u00e0 ph\u00e2n lo\u1ea1i chi ti\u1ebft, th\u00ec h\u00ecnh h\u1ecdc c\u1ed1 \u0111\u1ecbnh b\u1eaft \u0111\u1ea7u c\u00f3 \u00fd ngh\u0129a. B\u1ea1n kh\u00f4ng ph\u1ea3i tr\u1ea3 ti\u1ec1n cho g\u00f3c. B\u1ea1n \u0111ang tr\u1ea3 \u0111\u1ec3 lo\u1ea1i b\u1ecf lao \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh v\u00e0 tr\u00f4i bi\u1ebfn dung sai.<\/p>\n\n\n\n

    Th\u1ee9 ba: \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf. D\u1ee5ng c\u1ee5 c\u1ee9ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t khi b\u1ea3n v\u1ebd \u0111\u00e3 \u1ed5n \u0111\u1ecbnh. N\u1ebfu nh\u00f3m k\u1ef9 thu\u1eadt v\u1eabn \u0111ang \u201ct\u00ecm g\u00f3c \u0111\u00fang,\u201d tang \u0111\u00fac l\u00e0 chi\u1ebfn tr\u01b0\u1eddng sai. Thay \u0111\u1ed5i sau \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 ch\u01b0\u01a1ng tr\u00ecnh m\u1edbi. M\u00e0 l\u00e0 th\u00e9p m\u1edbi.<\/p>\n\n\n\n

    C\u00f2n m\u1ed9t t\u1ea7ng kh\u00e1c m\u00e0 \u0111a s\u1ed1 ng\u01b0\u1eddi b\u1ecf qua: m\u1ee9c \u0111\u1ed9 tr\u01b0\u1edfng th\u00e0nh c\u1ee7a chu\u1ed7i cung \u1ee9ng. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1ea3i \u0111\u1ed9 d\u00e0y ch\u1eb7t h\u01a1n m\u1ee9c u\u1ed1n kh\u00ed ch\u1ea5p nh\u1eadn, n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 c\u1ed1 \u0111\u1ecbnh h\u01b0\u1edbng h\u1ea1t tr\u00ean ph\u00f4i, n\u1ebfu nh\u00e0 cung c\u1ea5p d\u1ee5ng c\u1ee5 c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u1ea5p m\u00e0i m\u00e0 b\u1ea1n y\u00eau c\u1ea7u, th\u00ec d\u1ee5ng c\u1ee5 th\u1ef1c s\u1ef1 kh\u00f4ng \u201cs\u1edf h\u1eefu\u201d \u0111\u1ed9 ch\u00ednh x\u00e1c. S\u1ef1 bi\u1ebfn thi\u00ean ch\u1ec9 chuy\u1ec3n \u0111\u1ebfn n\u01a1i b\u1ea1n kh\u00f4ng nh\u00ecn th\u1ea5y.<\/p>\n\n\n\n

    V\u1eady g\u00e1nh n\u1eb7ng \u0111\u00f3 c\u00f3 \u0111\u00e1ng kh\u00f4ng? Ch\u1ec9 khi quy tr\u00ecnh xung quanh d\u1ee5ng c\u1ee5 \u0111\u1ee7 tr\u01b0\u1edfng th\u00e0nh \u0111\u1ec3 h\u00ecnh h\u1ecdc th\u1eadt s\u1ef1 c\u00f3 th\u1ec3 l\u00e0m tr\u00f2n vai c\u1ee7a n\u00f3.<\/p>\n\n\n\n

    \u0110i\u1ec1u \u0111\u00f3 d\u1eabn \u0111\u1ebfn ph\u1ea7n k\u1ebft qu\u1ea3 \u2014 \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi n\u00f3 tr\u1edf th\u00e0nh hi\u1ec7n th\u1ef1c?<\/p>\n\n\n\n

    X\u00e2y d\u1ef1ng th\u01b0 vi\u1ec7n c\u00e1c gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng cho s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn<\/h3>\n\n\n\n

    Khi d\u1ee5ng c\u1ee5 t\u1ea1o h\u00ecnh tang \u0111\u00fac \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, m\u1ed9t \u0111i\u1ec1u th\u00fa v\u1ecb x\u1ea3y ra.<\/p>\n\n\n\n

    B\u1ed9 u\u1ed1n th\u1ee7y l\u1ef1c c\u1ee7a b\u1ea1n ng\u1eebng l\u00e0 m\u1ed9t tr\u1ea1m tinh ch\u1ec9nh v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t c\u1ed7 m\u00e1y sao ch\u00e9p.<\/p>\n\n\n\n

    Thay v\u00ec c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u1edbi hi\u1ec7u ch\u1ec9nh g\u00f3c cho t\u1eebng l\u00f4 v\u1eadt li\u1ec7u, b\u1ea1n x\u00e2y d\u1ef1ng m\u1ed9t th\u01b0 vi\u1ec7n c\u00e1c b\u1ed9 d\u1ee5ng c\u1ee5 g\u1eafn li\u1ec1n v\u1edbi c\u00e1c h\u1ee3p kim c\u1ee5 th\u1ec3, d\u1ea3i \u0111\u1ed9 d\u00e0y v\u00e0 h\u01b0\u1edbng th\u1edb. D\u1ee5ng c\u1ee5 A v\u1edbi v\u1eadt li\u1ec7u X \u1edf \u0111\u1ed9 d\u00e0y 0,125 inch v\u00e0 th\u1edb song song. D\u1ee5ng c\u1ee5 B cho bi\u1ebfn th\u1ec3 th\u00e9p kh\u00f4ng g\u1ec9. M\u1ed7i b\u1ed9 \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, ghi ch\u00e9p, kh\u00f3a l\u1ea1i.<\/p>\n\n\n\n

    Gi\u1edd \u0111\u00e2y h\u1ec7 s\u1ed1 K c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 l\u00fd thuy\u1ebft n\u1eefa. N\u00f3 mang t\u00ednh th\u1ef1c nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh trong khoang \u0111\u00f3. \u0110\u1ed9 \u0111\u00e0n h\u1ed3i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh; n\u00f3 l\u00e0 \u0111\u1ed9 u\u1ed1n v\u01b0\u1ee3t \u0111\u01b0\u1ee3c gia c\u00f4ng s\u1eb5n. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n ch\u1ea1y l\u00f2ng v\u00f2ng n\u1eefa \u2014 anh ta \u0111ang n\u1ea1p chi ti\u1ebft v\u00e0o m\u1ed9t gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c, \u0111\u1ecbnh tr\u01b0\u1edbc k\u1ebft qu\u1ea3.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 g\u00f3c nh\u00ecn m\u1edbi m\u00e0 t\u00f4i mu\u1ed1n b\u1ea1n mang theo: \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a tang \u0111\u00fac kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c \u00e9p ra c\u00e1c con s\u1ed1 ch\u1eb7t ch\u1ebd h\u01a1n t\u1eeb c\u00f9ng m\u1ed9t t\u01b0 duy c\u0169. N\u00f3 l\u00e0 vi\u1ec7c \u0111\u01b0a \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00ean ph\u00eda tr\u01b0\u1edbc trong kh\u00e2u thi\u1ebft k\u1ebf v\u00e0 ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 \u0111\u1ec3 c\u00f4ng vi\u1ec7c c\u1ee7a m\u00e1y tr\u1edf n\u00ean \u1ed5n \u0111\u1ecbnh \u0111\u1ebfn m\u1ee9c nh\u00e0m ch\u00e1n.<\/p>\n\n\n\n

    U\u1ed1n b\u1eb1ng kh\u00ed d\u1ea1y b\u1ea1n suy ngh\u0129 theo c\u00e1ch hi\u1ec7u ch\u1ec9nh.<\/p>\n\n\n\n

    T\u1ea1o h\u00ecnh tang \u0111\u00fac bu\u1ed9c b\u1ea1n ph\u1ea3i suy ngh\u0129 theo c\u00e1ch cam k\u1ebft.<\/p>\n\n\n\n

    V\u00e0 khi b\u1ea1n ch\u1ea5p nh\u1eadn r\u1eb1ng s\u1ef1 cam k\u1ebft t\u1ed3n t\u1ea1i trong th\u00e9p, ch\u1ee9 kh\u00f4ng ph\u1ea3i tr\u00ean m\u00e0n h\u00ecnh, c\u00e2u h\u1ecfi s\u1ebd chuy\u1ec3n t\u1eeb \u201cT\u00f4i c\u00f3 th\u1ec3 ch\u1ec9nh \u0111i\u1ec1u n\u00e0y kh\u00f4ng?\u201d sang \u201cT\u00f4i \u0111\u00e3 thi\u1ebft k\u1ebf \u0111i\u1ec1u n\u00e0y \u0111\u00fang ch\u01b0a?\u201d<\/p>","protected":false},"excerpt":{"rendered":"

    T\u00f4i \u0111\u00e3 t\u1eebng ch\u1ee9ng ki\u1ebfn m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y ch\u1ea5n \u00e9p ch\u00e0y xu\u1ed1ng th\u00eam 0,040 inch, tin ch\u1eafc r\u1eb1ng g\u00f3c u\u1ed1n cu\u1ed1i c\u00f9ng s\u1ebd \u0111\u1ea1t m\u1ee9c 60\u00b0. Thay v\u00e0o \u0111\u00f3, n\u00f3 l\u1ea1i m\u1edf ra th\u00e0nh 62\u00b0. Anh ta nh\u00ecn ch\u1eb1m ch\u1eb1m v\u00e0o m\u00e0n h\u00ecnh nh\u01b0 th\u1ec3 n\u00f3 \u0111\u00e3 l\u1eeba d\u1ed1i m\u00ecnh. Nh\u01b0ng kh\u00f4ng ph\u1ea3i v\u1eady. Tr\u1ef1c gi\u00e1c c\u1ee7a anh ta m\u1edbi l\u00e0 th\u1ee9 sai l\u1ea7m. \u0110\u00f3 ch\u00ednh l\u00e0 c\u00e1i b\u1eaby c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n t\u1ef1 do (air-bending) \u2014 tin r\u1eb1ng \u0111\u1ed9 s\u00e2u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi g\u00f3c u\u1ed1n, v\u00e0 g\u00f3c u\u1ed1n n\u1eb1m \u1edf [\u2026]<\/p>","protected":false},"author":3,"featured_media":1049,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/comments?post=1044"}],"version-history":[{"count":2,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1044\/revisions"}],"predecessor-version":[{"id":1063,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1044\/revisions\/1063"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/1049"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=1044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=1044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=1044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}